149250780 has 72 divisors (see below), whose sum is σ = 517407072. Its totient is φ = 34114176.

The previous prime is 149250779. The next prime is 149250793. The reversal of 149250780 is 87052941.

149250780 is a `hidden beast` number, since 149 + 2 + 507 + 8 + 0 = 666.

149250780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57967 + ... + 60486.

Almost surely, 2^149250780 is an apocalyptic number.

149250780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149250780 is an abundant number, since it is smaller than the sum of its proper divisors (368156292).

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

149250780 is a wasteful number, since it uses less digits than its factorization.

149250780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118475 (or 118470 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 149250780 is about 12216.8236461038. The cubic root of 149250780 is about 530.4431798074.

The spelling of 149250780 in words is "one hundred forty-nine million, two hundred fifty thousand, seven hundred eighty".