149505500 has 24 divisors (see below), whose sum is σ = 326521104. Its totient is φ = 59802000.

The previous prime is 149505491. The next prime is 149505511. The reversal of 149505500 is 5505941.

149505500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 149006 + ... + 150005.

It is an arithmetic number, because the mean of its divisors is an integer number (13605046).

Almost surely, 2^149505500 is an apocalyptic number.

149505500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149505500 is an abundant number, since it is smaller than the sum of its proper divisors (177015604).

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

149505500 is a wasteful number, since it uses less digits than its factorization.

149505500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299030 (or 299018 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 149505500 is about 12227.2441702945. The cubic root of 149505500 is about 530.7447699562.

The spelling of 149505500 in words is "one hundred forty-nine million, five hundred five thousand, five hundred".