149867529 has 24 divisors (see below), whose sum is σ = 246125088. Its totient is φ = 80599680.

The previous prime is 149867527. The next prime is 149867551. The reversal of 149867529 is 925768941.

It is not a de Polignac number, because 149867529 - 2¹ = 149867527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (149867521) by changing a digit.

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, 27487 + ... + 32484.

It is an arithmetic number, because the mean of its divisors is an integer number (10255212).

Almost surely, 2^149867529 is an apocalyptic number.

It is an amenable number.

149867529 is a deficient number, since it is larger than the sum of its proper divisors (96257559).

149867529 is a wasteful number, since it uses less digits than its factorization.

149867529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60005 (or 59998 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 149867529 is about 12242.0394134311. The cubic root of 149867529 is about 531.1728258091.

The spelling of 149867529 in words is "one hundred forty-nine million, eight hundred sixty-seven thousand, five hundred twenty-nine".