149813700 has 144 divisors (see below), whose sum is σ = 454970880. Its totient is φ = 38016000.

The previous prime is 149813693. The next prime is 149813753. The reversal of 149813700 is 7318941.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 827610 + ... + 827790.

It is an arithmetic number, because the mean of its divisors is an integer number (3159520).

Almost surely, 2^149813700 is an apocalyptic number.

149813700 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 149813700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227485440).

149813700 is an abundant number, since it is smaller than the sum of its proper divisors (305157180).

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

149813700 is a wasteful number, since it uses less digits than its factorization.

149813700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 149813700 is about 12239.8406852377. The cubic root of 149813700 is about 531.1092231369.

It can be divided in two parts, 14981 and 3700, that added together give a palindrome (18681).

The spelling of 149813700 in words is "one hundred forty-nine million, eight hundred thirteen thousand, seven hundred".