149523660 has 288 divisors, whose sum is σ = 550734912. Its totient is φ = 32348160.

The previous prime is 149523643. The next prime is 149523683. The reversal of 149523660 is 66325941.

It is a happy number.

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 (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 952302 + ... + 952458.

It is an arithmetic number, because the mean of its divisors is an integer number (1912274).

Almost surely, 2^149523660 is an apocalyptic number.

149523660 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 149523660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275367456).

149523660 is an abundant number, since it is smaller than the sum of its proper divisors (401211252).

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

149523660 is a wasteful number, since it uses less digits than its factorization.

149523660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 149523660 is about 12227.9867517102. The cubic root of 149523660 is about 530.7662584294.

The spelling of 149523660 in words is "one hundred forty-nine million, five hundred twenty-three thousand, six hundred sixty".