152158391 has 16 divisors (see below), whose sum is σ = 190003968. Its totient is φ = 118377600.

The previous prime is 152158373. The next prime is 152158397. The reversal of 152158391 is 193851251.

It is not a de Polignac number, because 152158391 - 2¹⁰ = 152157367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152158397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66716 + ... + 68958.

It is an arithmetic number, because the mean of its divisors is an integer number (11875248).

Almost surely, 2^152158391 is an apocalyptic number.

152158391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

152158391 is a deficient number, since it is larger than the sum of its proper divisors (37845577).

152158391 is a wasteful number, since it uses less digits than its factorization.

152158391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142.

The product of its digits is 10800, while the sum is 35.

The square root of 152158391 is about 12335.2499366652. The cubic root of 152158391 is about 533.8656385528.

The spelling of 152158391 in words is "one hundred fifty-two million, one hundred fifty-eight thousand, three hundred ninety-one".