151568840 has 16 divisors (see below), whose sum is σ = 341029980. Its totient is φ = 60627520.

The previous prime is 151568801. The next prime is 151568861. The reversal of 151568840 is 48865151.

It can be written as a sum of positive squares in 2 ways, for example, as 150651076 + 917764 = 12274^2 + 958^2 .

It is a super-2 number, since 2×151568840² = 45946226517891200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151568794 and 151568803.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1894571 + ... + 1894650.

Almost surely, 2^151568840 is an apocalyptic number.

151568840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151568840 is an abundant number, since it is smaller than the sum of its proper divisors (189461140).

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

151568840 is a wasteful number, since it uses less digits than its factorization.

151568840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789232 (or 3789228 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 151568840 is about 12311.3297413399. The cubic root of 151568840 is about 533.1752430742.

The spelling of 151568840 in words is "one hundred fifty-one million, five hundred sixty-eight thousand, eight hundred forty".