152057730 has 64 divisors (see below), whose sum is σ = 411868800. Its totient is φ = 35589120.

The previous prime is 152057729. The next prime is 152057777. The reversal of 152057730 is 37750251.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1626 + ... + 17514.

It is an arithmetic number, because the mean of its divisors is an integer number (6435450).

Almost surely, 2^152057730 is an apocalyptic number.

152057730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 152057730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205934400).

152057730 is an abundant number, since it is smaller than the sum of its proper divisors (259811070).

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

152057730 is a wasteful number, since it uses less digits than its factorization.

152057730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15939.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 152057730 is about 12331.1690443364. The cubic root of 152057730 is about 533.7478855904.

The spelling of 152057730 in words is "one hundred fifty-two million, fifty-seven thousand, seven hundred thirty".