149205930 has 32 divisors (see below), whose sum is σ = 358910784. Its totient is φ = 39697536.

The previous prime is 149205911. The next prime is 149205937. The reversal of 149205930 is 39502941.

149205930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 149205891 and 149205900.

It is not an unprimeable number, because it can be changed into a prime (149205937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8269 + ... + 19151.

It is an arithmetic number, because the mean of its divisors is an integer number (11215962).

Almost surely, 2^149205930 is an apocalyptic number.

149205930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149205930 is an abundant number, since it is smaller than the sum of its proper divisors (209704854).

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

149205930 is a wasteful number, since it uses less digits than its factorization.

149205930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11350.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 149205930 is about 12214.9879246768. The cubic root of 149205930 is about 530.3900415926.

The spelling of 149205930 in words is "one hundred forty-nine million, two hundred five thousand, nine hundred thirty".