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144495340 = 225113121187
BaseRepresentation
bin10001001110011…
…01001011101100
3101001220010100021
420213031023230
5243442322330
622201011524
73403122133
oct1047151354
9331803307
10144495340
1174622540
1240483ba4
1323c22502
141529491a
15ca4367a
hex89cd2ec

144495340 has 48 divisors (see below), whose sum is σ = 341720064. Its totient is φ = 50846400.

The previous prime is 144495317. The next prime is 144495341. The reversal of 144495340 is 43594441.

144495340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (34) 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 = 144495296 and 144495305.

It is not an unprimeable number, because it can be changed into a prime (144495341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3774 + ... + 17413.

It is an arithmetic number, because the mean of its divisors is an integer number (7119168).

Almost surely, 2144495340 is an apocalyptic number.

144495340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144495340 is an abundant number, since it is smaller than the sum of its proper divisors (197224724).

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

144495340 is a wasteful number, since it uses less digits than its factorization.

144495340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21238 (or 21236 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 144495340 is about 12020.6214481615. The cubic root of 144495340 is about 524.7485901315.

The spelling of 144495340 in words is "one hundred forty-four million, four hundred ninety-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 31 44 55 62 110 124 155 220 310 341 620 682 1364 1705 3410 6820 21187 42374 84748 105935 211870 233057 423740 466114 656797 932228 1165285 1313594 2330570 2627188 3283985 4661140 6567970 7224767 13135940 14449534 28899068 36123835 72247670 144495340