149052780 has 36 divisors (see below), whose sum is σ = 452127312. Its totient is φ = 39747360.

The previous prime is 149052773. The next prime is 149052781. The reversal of 149052780 is 87250941.

149052780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (149052781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 413856 + ... + 414215.

It is an arithmetic number, because the mean of its divisors is an integer number (12559092).

Almost surely, 2^149052780 is an apocalyptic number.

149052780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149052780 is an abundant number, since it is smaller than the sum of its proper divisors (303074532).

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

149052780 is a wasteful number, since it uses less digits than its factorization.

149052780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828086 (or 828081 counting only the distinct ones).

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

The square root of 149052780 is about 12208.7173773497. The cubic root of 149052780 is about 530.2085093910.

The spelling of 149052780 in words is "one hundred forty-nine million, fifty-two thousand, seven hundred eighty".