152165321 has 8 divisors (see below), whose sum is σ = 189712704. Its totient is φ = 118570320.

The previous prime is 152165303. The next prime is 152165323. The reversal of 152165321 is 123561251.

152165321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 152165321 - 2²² = 147971017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (152165323) 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, 988010 + ... + 988163.

It is an arithmetic number, because the mean of its divisors is an integer number (23714088).

Almost surely, 2^152165321 is an apocalyptic number.

152165321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

152165321 is a deficient number, since it is larger than the sum of its proper divisors (37547383).

152165321 is a wasteful number, since it uses less digits than its factorization.

152165321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976191.

The product of its digits is 1800, while the sum is 26.

The square root of 152165321 is about 12335.5308357606. The cubic root of 152165321 is about 533.8737433369.

The spelling of 152165321 in words is "one hundred fifty-two million, one hundred sixty-five thousand, three hundred twenty-one".