152998231 has 4 divisors (see below), whose sum is σ = 159650352. Its totient is φ = 146346112.

The previous prime is 152998217. The next prime is 152998243. The reversal of 152998231 is 132899251.

152998231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152998231 is a prime.

It is a super-2 number, since 2×152998231² = 46816917378258722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152998211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3326026 + ... + 3326071.

It is an arithmetic number, because the mean of its divisors is an integer number (39912588).

Almost surely, 2^152998231 is an apocalyptic number.

152998231 is a deficient number, since it is larger than the sum of its proper divisors (6652121).

152998231 is an equidigital number, since it uses as much as digits as its factorization.

152998231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6652120.

The product of its digits is 38880, while the sum is 40.

The square root of 152998231 is about 12369.2453690595. The cubic root of 152998231 is about 534.8460627950.

The spelling of 152998231 in words is "one hundred fifty-two million, nine hundred ninety-eight thousand, two hundred thirty-one".