115151233 has 2 divisors, whose sum is σ = 115151234. Its totient is φ = 115151232.

The previous prime is 115151213. The next prime is 115151243. The reversal of 115151233 is 332151511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84492864 + 30658369 = 9192^2 + 5537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115151233 is a prime.

It is a super-2 number, since 2×115151233² = 26519612922840578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115151213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57575616 + 57575617.

It is an arithmetic number, because the mean of its divisors is an integer number (57575617).

Almost surely, 2^115151233 is an apocalyptic number.

It is an amenable number.

115151233 is a deficient number, since it is larger than the sum of its proper divisors (1).

115151233 is an equidigital number, since it uses as much as digits as its factorization.

115151233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 450, while the sum is 22.

The square root of 115151233 is about 10730.8542530406. The cubic root of 115151233 is about 486.5074900605.

The spelling of 115151233 in words is "one hundred fifteen million, one hundred fifty-one thousand, two hundred thirty-three".