149793215 has 32 divisors (see below), whose sum is σ = 212115456. Its totient is φ = 100114560.

The previous prime is 149793199. The next prime is 149793223. The reversal of 149793215 is 512397941.

It is not a de Polignac number, because 149793215 - 2⁴ = 149793199 is a prime.

It is a Smith number, since the sum of its digits (41) 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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 273572 + ... + 274118.

It is an arithmetic number, because the mean of its divisors is an integer number (6628608).

Almost surely, 2^149793215 is an apocalyptic number.

149793215 is a deficient number, since it is larger than the sum of its proper divisors (62322241).

149793215 is a wasteful number, since it uses less digits than its factorization.

149793215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959.

The product of its digits is 68040, while the sum is 41.

The square root of 149793215 is about 12239.0038401824. The cubic root of 149793215 is about 531.0850146959.

The spelling of 149793215 in words is "one hundred forty-nine million, seven hundred ninety-three thousand, two hundred fifteen".