149278700 has 36 divisors (see below), whose sum is σ = 342993672. Its totient is φ = 56198400.

The previous prime is 149278699. The next prime is 149278711. The reversal of 149278700 is 7872941.

149278700 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42206 + ... + 45605.

It is an arithmetic number, because the mean of its divisors is an integer number (9527602).

Almost surely, 2^149278700 is an apocalyptic number.

149278700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149278700 is an abundant number, since it is smaller than the sum of its proper divisors (193714972).

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

149278700 is a wasteful number, since it uses less digits than its factorization.

149278700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87842 (or 87835 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 149278700 is about 12217.9662792136. The cubic root of 149278700 is about 530.4762540068.

The spelling of 149278700 in words is "one hundred forty-nine million, two hundred seventy-eight thousand, seven hundred".