152868840 has 32 divisors (see below), whose sum is σ = 458606880. Its totient is φ = 40764992.

The previous prime is 152868839. The next prime is 152868841. The reversal of 152868840 is 48868251.

152868840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (152868839) and next prime (152868841).

It is a junction number, because it is equal to n+sod(n) for n = 152868792 and 152868801.

It is not an unprimeable number, because it can be changed into a prime (152868841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636834 + ... + 637073.

It is an arithmetic number, because the mean of its divisors is an integer number (14331465).

Almost surely, 2^152868840 is an apocalyptic number.

152868840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152868840 is an abundant number, since it is smaller than the sum of its proper divisors (305738040).

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

152868840 is a wasteful number, since it uses less digits than its factorization.

152868840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273921 (or 1273917 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 152868840 is about 12364.0139113477. The cubic root of 152868840 is about 534.6952467052.

The spelling of 152868840 in words is "one hundred fifty-two million, eight hundred sixty-eight thousand, eight hundred forty".