149572800 has 504 divisors, whose sum is σ = 619085376. Its totient is φ = 33914880.

The previous prime is 149572781. The next prime is 149572811. The reversal of 149572800 is 8275941.

149572800 is a `hidden beast` number, since 1 + 4 + 9 + 572 + 80 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3182377 + ... + 3182423.

It is an arithmetic number, because the mean of its divisors is an integer number (1228344).

Almost surely, 2^149572800 is an apocalyptic number.

149572800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149572800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309542688).

149572800 is an abundant number, since it is smaller than the sum of its proper divisors (469512576).

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

149572800 is a wasteful number, since it uses less digits than its factorization.

149572800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 87 counting only the distinct ones).

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

The square root of 149572800 is about 12229.9959116919. The cubic root of 149572800 is about 530.8243963795.

The spelling of 149572800 in words is "one hundred forty-nine million, five hundred seventy-two thousand, eight hundred".