152428621 has 8 divisors (see below), whose sum is σ = 160630400. Its totient is φ = 144244800.

The previous prime is 152428603. The next prime is 152428637. The reversal of 152428621 is 126824251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152428621 - 2⁵ = 152428589 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 (152428021) 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, 15196 + ... + 23146.

It is an arithmetic number, because the mean of its divisors is an integer number (20078800).

Almost surely, 2^152428621 is an apocalyptic number.

It is an amenable number.

152428621 is a deficient number, since it is larger than the sum of its proper divisors (8201779).

152428621 is a wasteful number, since it uses less digits than its factorization.

152428621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8979.

The product of its digits is 7680, while the sum is 31.

The square root of 152428621 is about 12346.1986457371. The cubic root of 152428621 is about 534.1814962368.

The spelling of 152428621 in words is "one hundred fifty-two million, four hundred twenty-eight thousand, six hundred twenty-one".