149530800 has 90 divisors (see below), whose sum is σ = 480357772. Its totient is φ = 39761920.

The previous prime is 149530783. The next prime is 149530811. The reversal of 149530800 is 8035941.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 423424 + ... + 423776.

Almost surely, 2^149530800 is an apocalyptic number.

149530800 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 149530800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240178886).

149530800 is an abundant number, since it is smaller than the sum of its proper divisors (330826972).

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

149530800 is an equidigital number, since it uses as much as digits as its factorization.

149530800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 149530800 is about 12228.2787014363. The cubic root of 149530800 is about 530.7747066147.

The spelling of 149530800 in words is "one hundred forty-nine million, five hundred thirty thousand, eight hundred".