149953506 has 16 divisors (see below), whose sum is σ = 300029184. Its totient is φ = 49964144.

The previous prime is 149953471. The next prime is 149953553. The reversal of 149953506 is 605359941.

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 7 ways as a sum of consecutive naturals, for example, 21775 + ... + 27821.

It is an arithmetic number, because the mean of its divisors is an integer number (18751824).

Almost surely, 2^149953506 is an apocalyptic number.

149953506 is an abundant number, since it is smaller than the sum of its proper divisors (150075678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149953506 is a wasteful number, since it uses less digits than its factorization.

149953506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10185.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 149953506 is about 12245.5504572069. The cubic root of 149953506 is about 531.2743819767.

The spelling of 149953506 in words is "one hundred forty-nine million, nine hundred fifty-three thousand, five hundred six".