152708421 has 16 divisors (see below), whose sum is σ = 205712000. Its totient is φ = 100761408.

The previous prime is 152708417. The next prime is 152708441. The reversal of 152708421 is 124807251.

It is not a de Polignac number, because 152708421 - 2² = 152708417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152708401) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 136155 + ... + 137271.

It is an arithmetic number, because the mean of its divisors is an integer number (12857000).

Almost surely, 2^152708421 is an apocalyptic number.

It is an amenable number.

152708421 is a deficient number, since it is larger than the sum of its proper divisors (53003579).

152708421 is a wasteful number, since it uses less digits than its factorization.

152708421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 152708421 is about 12357.5248735335. The cubic root of 152708421 is about 534.5081466653.

The spelling of 152708421 in words is "one hundred fifty-two million, seven hundred eight thousand, four hundred twenty-one".