115100149 has 4 divisors (see below), whose sum is σ = 121870764. Its totient is φ = 108329536.

The previous prime is 115100147. The next prime is 115100173. The reversal of 115100149 is 941001511.

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

It can be written as a sum of positive squares in 2 ways, for example, as 60606225 + 54493924 = 7785^2 + 7382^2 .

It is a cyclic number.

It is not a de Polignac number, because 115100149 - 2¹ = 115100147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115100147) 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, 3385282 + ... + 3385315.

It is an arithmetic number, because the mean of its divisors is an integer number (30467691).

Almost surely, 2^115100149 is an apocalyptic number.

It is an amenable number.

115100149 is a deficient number, since it is larger than the sum of its proper divisors (6770615).

115100149 is an equidigital number, since it uses as much as digits as its factorization.

115100149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770614.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 115100149 is about 10728.4737497931. The cubic root of 115100149 is about 486.4355370761.

The spelling of 115100149 in words is "one hundred fifteen million, one hundred thousand, one hundred forty-nine".