152390381 has 8 divisors (see below), whose sum is σ = 179032224. Its totient is φ = 127879920.

The previous prime is 152390297. The next prime is 152390417. The reversal of 152390381 is 183093251.

152390381 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 a cyclic number.

It is not a de Polignac number, because 152390381 - 2¹⁰ = 152389357 is a prime.

It is a super-2 number, since 2×152390381² = 46445656442650322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152390081) 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, 532691 + ... + 532976.

It is an arithmetic number, because the mean of its divisors is an integer number (22379028).

Almost surely, 2^152390381 is an apocalyptic number.

152390381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

152390381 is a deficient number, since it is larger than the sum of its proper divisors (26641843).

152390381 is a wasteful number, since it uses less digits than its factorization.

152390381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065691.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 152390381 is about 12344.6498937799. The cubic root of 152390381 is about 534.1368221926.

The spelling of 152390381 in words is "one hundred fifty-two million, three hundred ninety thousand, three hundred eighty-one".