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144523617140 = 22571032311551
BaseRepresentation
bin1000011010011001000…
…1110110001101110100
3111211001002200102212202
42012212101312031310
54331441021222030
6150220534404032
713304300322320
oct2064621661564
9454032612782
10144523617140
11563238a5701
1224014800618
1310822b17426
146dd0324980
153b5ce27745
hex21a6476374

144523617140 has 24 divisors (see below), whose sum is σ = 346856681472. Its totient is φ = 49550954400.

The previous prime is 144523617137. The next prime is 144523617187. The reversal of 144523617140 is 41716325441.

144523617140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1445236171402 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 144523617094 and 144523617103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516155636 + ... + 516155915.

It is an arithmetic number, because the mean of its divisors is an integer number (14452361728).

Almost surely, 2144523617140 is an apocalyptic number.

144523617140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144523617140 is an abundant number, since it is smaller than the sum of its proper divisors (202333064332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144523617140 is a wasteful number, since it uses less digits than its factorization.

144523617140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032311567 (or 1032311565 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 144523617140 in words is "one hundred forty-four billion, five hundred twenty-three million, six hundred seventeen thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1032311551 2064623102 4129246204 5161557755 7226180857 10323115510 14452361714 20646231020 28904723428 36130904285 72261808570 144523617140