149556180 has 24 divisors (see below), whose sum is σ = 418757472. Its totient is φ = 39881632.

The previous prime is 149556179. The next prime is 149556181. The reversal of 149556180 is 81655941.

It is an interprime number because it is at equal distance from previous prime (149556179) and next prime (149556181).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149556181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1246242 + ... + 1246361.

It is an arithmetic number, because the mean of its divisors is an integer number (17448228).

Almost surely, 2^149556180 is an apocalyptic number.

149556180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149556180 is an abundant number, since it is smaller than the sum of its proper divisors (269201292).

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

149556180 is a wasteful number, since it uses less digits than its factorization.

149556180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492615 (or 2492613 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 149556180 is about 12229.3164158918. The cubic root of 149556180 is about 530.8047345420.

It can be divided in two parts, 1495 and 56180, that added together give a palindrome (57675).

The spelling of 149556180 in words is "one hundred forty-nine million, five hundred fifty-six thousand, one hundred eighty".