149723020 has 24 divisors (see below), whose sum is σ = 314766144. Its totient is φ = 59822976.

The previous prime is 149723011. The next prime is 149723047. The reversal of 149723020 is 20327941.

149723020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 149723020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17037 + ... + 24283.

It is an arithmetic number, because the mean of its divisors is an integer number (13115256).

Almost surely, 2^149723020 is an apocalyptic number.

149723020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149723020 is an abundant number, since it is smaller than the sum of its proper divisors (165043124).

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

149723020 is a wasteful number, since it uses less digits than its factorization.

149723020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8289 (or 8287 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 149723020 is about 12236.1358279483. The cubic root of 149723020 is about 531.0020440100.

The spelling of 149723020 in words is "one hundred forty-nine million, seven hundred twenty-three thousand, twenty".