149394020 has 24 divisors (see below), whose sum is σ = 314067264. Its totient is φ = 59692896.

The previous prime is 149394013. The next prime is 149394029. The reversal of 149394020 is 20493941.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (149394029) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17747 + ... + 24773.

It is an arithmetic number, because the mean of its divisors is an integer number (13086136).

Almost surely, 2^149394020 is an apocalyptic number.

149394020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149394020 is an abundant number, since it is smaller than the sum of its proper divisors (164673244).

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

149394020 is a wasteful number, since it uses less digits than its factorization.

149394020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8099 (or 8097 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 149394020 is about 12222.6846478178. The cubic root of 149394020 is about 530.6128190931.

The spelling of 149394020 in words is "one hundred forty-nine million, three hundred ninety-four thousand, twenty".