149693020 has 24 divisors (see below), whose sum is σ = 330901200. Its totient is φ = 56725632.

The previous prime is 149692969. The next prime is 149693023. The reversal of 149693020 is 20396941.

149693020 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

149693020 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149693023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196585 + ... + 197344.

It is an arithmetic number, because the mean of its divisors is an integer number (13787550).

Almost surely, 2^149693020 is an apocalyptic number.

149693020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149693020 is an abundant number, since it is smaller than the sum of its proper divisors (181208180).

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

149693020 is a wasteful number, since it uses less digits than its factorization.

149693020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393957 (or 393955 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 149693020 is about 12234.9098893290. The cubic root of 149693020 is about 530.9665760163.

The spelling of 149693020 in words is "one hundred forty-nine million, six hundred ninety-three thousand, twenty".