149623800 has 96 divisors (see below), whose sum is σ = 491151600. Its totient is φ = 37550080.

The previous prime is 149623787. The next prime is 149623807. The reversal of 149623800 is 8326941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149623807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2866 + ... + 17534.

Almost surely, 2^149623800 is an apocalyptic number.

149623800 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 149623800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245575800).

149623800 is an abundant number, since it is smaller than the sum of its proper divisors (341527800).

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

149623800 is a wasteful number, since it uses less digits than its factorization.

149623800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14705 (or 14696 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 149623800 is about 12232.0807714796. The cubic root of 149623800 is about 530.8847214472.

The spelling of 149623800 in words is "one hundred forty-nine million, six hundred twenty-three thousand, eight hundred".