149055700 has 18 divisors (see below), whose sum is σ = 323451086. Its totient is φ = 59622240.

The previous prime is 149055671. The next prime is 149055727. The reversal of 149055700 is 7550941.

It can be written as a sum of positive squares in 3 ways, for example, as 12306064 + 136749636 = 3508^2 + 11694^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 745179 + ... + 745378.

Almost surely, 2^149055700 is an apocalyptic number.

149055700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149055700 is an abundant number, since it is smaller than the sum of its proper divisors (174395386).

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

149055700 is a wasteful number, since it uses less digits than its factorization.

149055700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490571 (or 1490564 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 149055700 is about 12208.8369634458. The cubic root of 149055700 is about 530.2119716964.

The spelling of 149055700 in words is "one hundred forty-nine million, fifty-five thousand, seven hundred".