149993020 has 12 divisors (see below), whose sum is σ = 314985384. Its totient is φ = 59997200.

The previous prime is 149993003. The next prime is 149993059. The reversal of 149993020 is 20399941.

149993020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3749806 + ... + 3749845.

It is an arithmetic number, because the mean of its divisors is an integer number (26248782).

Almost surely, 2^149993020 is an apocalyptic number.

149993020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149993020 is an abundant number, since it is smaller than the sum of its proper divisors (164992364).

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

149993020 is a wasteful number, since it uses less digits than its factorization.

149993020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7499660 (or 7499658 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 149993020 is about 12247.1637532941. The cubic root of 149993020 is about 531.3210429559.

The spelling of 149993020 in words is "one hundred forty-nine million, nine hundred ninety-three thousand, twenty".