149312306 has 48 divisors (see below), whose sum is σ = 273848064. Its totient is φ = 60588000.

The previous prime is 149312263. The next prime is 149312311. The reversal of 149312306 is 603213941.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96761 + ... + 98291.

It is an arithmetic number, because the mean of its divisors is an integer number (5705168).

Almost surely, 2^149312306 is an apocalyptic number.

149312306 is a deficient number, since it is larger than the sum of its proper divisors (124535758).

149312306 is a wasteful number, since it uses less digits than its factorization.

149312306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 149312306 is about 12219.3414716179. The cubic root of 149312306 is about 530.5160584071.

The spelling of 149312306 in words is "one hundred forty-nine million, three hundred twelve thousand, three hundred six".