149739524 has 12 divisors (see below), whose sum is σ = 285866448. Its totient is φ = 68063400.

The previous prime is 149739521. The next prime is 149739529. The reversal of 149739524 is 425937941.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 3403171 = 149739524 / (1 + 4 + 9 + 7 + 3 + 9 + 5 + 2 + 4).

It is not an unprimeable number, because it can be changed into a prime (149739521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1701542 + ... + 1701629.

It is an arithmetic number, because the mean of its divisors is an integer number (23822204).

Almost surely, 2^149739524 is an apocalyptic number.

It is an amenable number.

149739524 is a deficient number, since it is larger than the sum of its proper divisors (136126924).

149739524 is a wasteful number, since it uses less digits than its factorization.

149739524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403186 (or 3403184 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 149739524 is about 12236.8102052782. The cubic root of 149739524 is about 531.0215541155.

The spelling of 149739524 in words is "one hundred forty-nine million, seven hundred thirty-nine thousand, five hundred twenty-four".