149975630 has 32 divisors (see below), whose sum is σ = 309127104. Its totient is φ = 51319296.

The previous prime is 149975629. The next prime is 149975659. The reversal of 149975630 is 36579941.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 15 ways as a sum of consecutive naturals, for example, 39704 + ... + 43316.

It is an arithmetic number, because the mean of its divisors is an integer number (9660222).

Almost surely, 2^149975630 is an apocalyptic number.

149975630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149975630 is an abundant number, since it is smaller than the sum of its proper divisors (159151474).

149975630 is a wasteful number, since it uses less digits than its factorization.

149975630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 149975630 is about 12246.4537724192. The cubic root of 149975630 is about 531.3005086003.

The spelling of 149975630 in words is "one hundred forty-nine million, nine hundred seventy-five thousand, six hundred thirty".