152389421 has 16 divisors (see below), whose sum is σ = 164108928. Its totient is φ = 141134400.

The previous prime is 152389373. The next prime is 152389429. The reversal of 152389421 is 124983251.

It is a cyclic number.

It is not a de Polignac number, because 152389421 - 2⁶ = 152389357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152389429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281411 + ... + 281951.

It is an arithmetic number, because the mean of its divisors is an integer number (10256808).

Almost surely, 2^152389421 is an apocalyptic number.

It is an amenable number.

152389421 is a deficient number, since it is larger than the sum of its proper divisors (11719507).

152389421 is a wasteful number, since it uses less digits than its factorization.

152389421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932.

The product of its digits is 17280, while the sum is 35.

The square root of 152389421 is about 12344.6110104774. The cubic root of 152389421 is about 534.1357005724.

The spelling of 152389421 in words is "one hundred fifty-two million, three hundred eighty-nine thousand, four hundred twenty-one".