152458640 has 20 divisors (see below), whose sum is σ = 354466524. Its totient is φ = 60983424.

The previous prime is 152458639. The next prime is 152458661. The reversal of 152458640 is 46854251.

It can be written as a sum of positive squares in 2 ways, for example, as 112869376 + 39589264 = 10624^2 + 6292^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 152458640.

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 3 ways as a sum of consecutive naturals, for example, 952787 + ... + 952946.

Almost surely, 2^152458640 is an apocalyptic number.

152458640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152458640 is an abundant number, since it is smaller than the sum of its proper divisors (202007884).

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

152458640 is a wasteful number, since it uses less digits than its factorization.

152458640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905746 (or 1905740 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 152458640 is about 12347.4143042177. The cubic root of 152458640 is about 534.2165608279.

The spelling of 152458640 in words is "one hundred fifty-two million, four hundred fifty-eight thousand, six hundred forty".