149169500 has 24 divisors (see below), whose sum is σ = 325787280. Its totient is φ = 59667600.

The previous prime is 149169499. The next prime is 149169529. The reversal of 149169500 is 5961941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148670 + ... + 149669.

It is an arithmetic number, because the mean of its divisors is an integer number (13574470).

Almost surely, 2^149169500 is an apocalyptic number.

149169500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149169500 is an abundant number, since it is smaller than the sum of its proper divisors (176617780).

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

149169500 is a wasteful number, since it uses less digits than its factorization.

149169500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298358 (or 298346 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 149169500 is about 12213.4966328239. The cubic root of 149169500 is about 530.3468715435.

The spelling of 149169500 in words is "one hundred forty-nine million, one hundred sixty-nine thousand, five hundred".