151253640 has 48 divisors (see below), whose sum is σ = 491575500. Its totient is φ = 40334208.

The previous prime is 151253629. The next prime is 151253659. The reversal of 151253640 is 46352151.

151253640 is a `hidden beast` number, since 1 + 5 + 12 + 5 + 3 + 640 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 142993764 + 8259876 = 11958^2 + 2874^2 .

It is a super-2 number, since 2×151253640² = 45755327226499200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209715 + ... + 210434.

Almost surely, 2^151253640 is an apocalyptic number.

151253640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151253640 is an abundant number, since it is smaller than the sum of its proper divisors (340321860).

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

151253640 is a wasteful number, since it uses less digits than its factorization.

151253640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420166 (or 420159 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 151253640 is about 12298.5218624028. The cubic root of 151253640 is about 532.8053925001.

The spelling of 151253640 in words is "one hundred fifty-one million, two hundred fifty-three thousand, six hundred forty".