115231533 has 16 divisors (see below), whose sum is σ = 156038400. Its totient is φ = 75628800.

The previous prime is 115231517. The next prime is 115231549. The reversal of 115231533 is 335132511.

It is an interprime number because it is at equal distance from previous prime (115231517) and next prime (115231549).

It is not a de Polignac number, because 115231533 - 2⁴ = 115231517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115231553) 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, 142033 + ... + 142841.

It is an arithmetic number, because the mean of its divisors is an integer number (9752400).

Almost surely, 2^115231533 is an apocalyptic number.

It is an amenable number.

115231533 is a deficient number, since it is larger than the sum of its proper divisors (40806867).

115231533 is an equidigital number, since it uses as much as digits as its factorization.

115231533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492.

The product of its digits is 1350, while the sum is 24.

The square root of 115231533 is about 10734.5951483975. The cubic root of 115231533 is about 486.6205514466.

The spelling of 115231533 in words is "one hundred fifteen million, two hundred thirty-one thousand, five hundred thirty-three".