149959590 has 64 divisors (see below), whose sum is σ = 413303040. Its totient is φ = 34439040.

The previous prime is 149959583. The next prime is 149959603. The reversal of 149959590 is 95959941.

It is a happy number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 5689 + ... + 18228.

It is an arithmetic number, because the mean of its divisors is an integer number (6457860).

Almost surely, 2^149959590 is an apocalyptic number.

149959590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149959590 is an abundant number, since it is smaller than the sum of its proper divisors (263343450).

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

149959590 is a wasteful number, since it uses less digits than its factorization.

149959590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23957.

The product of its (nonzero) digits is 656100, while the sum is 51.

The square root of 149959590 is about 12245.7988714498. The cubic root of 149959590 is about 531.2815669362.

The spelling of 149959590 in words is "one hundred forty-nine million, nine hundred fifty-nine thousand, five hundred ninety".