149179215 has 16 divisors (see below), whose sum is σ = 239073408. Its totient is φ = 79433376.

The previous prime is 149179207. The next prime is 149179271. The reversal of 149179215 is 512971941.

149179215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149179215 - 2³ = 149179207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1912 + ... + 17378.

It is an arithmetic number, because the mean of its divisors is an integer number (14942088).

Almost surely, 2^149179215 is an apocalyptic number.

149179215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149179215 is a deficient number, since it is larger than the sum of its proper divisors (89894193).

149179215 is a wasteful number, since it uses less digits than its factorization.

149179215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16118.

The product of its digits is 22680, while the sum is 39.

The square root of 149179215 is about 12213.8943421007. The cubic root of 149179215 is about 530.3583846388.

The spelling of 149179215 in words is "one hundred forty-nine million, one hundred seventy-nine thousand, two hundred fifteen".