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145221116462 = 2163194449449
BaseRepresentation
bin1000011100111111011…
…0100110001000101110
3111212211201011002001222
42013033312212020232
54334403101211322
6150414052303342
713330500060122
oct2071766461056
9455751132058
10145221116462
1156651597224
122418a311b52
131090448c516
147058c0b582
153b9e2a3e42
hex21cfda622e

145221116462 has 8 divisors (see below), whose sum is σ = 217845072000. Its totient is φ = 72606092464.

The previous prime is 145221116461. The next prime is 145221116477. The reversal of 145221116462 is 264611122541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145221116461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2192087 + ... + 2257362.

It is an arithmetic number, because the mean of its divisors is an integer number (27230634000).

Almost surely, 2145221116462 is an apocalyptic number.

145221116462 is a deficient number, since it is larger than the sum of its proper divisors (72623955538).

145221116462 is a wasteful number, since it uses less digits than its factorization.

145221116462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465770.

The product of its digits is 23040, while the sum is 35.

The spelling of 145221116462 in words is "one hundred forty-five billion, two hundred twenty-one million, one hundred sixteen thousand, four hundred sixty-two".

Divisors: 1 2 16319 32638 4449449 8898898 72610558231 145221116462