149142930 has 32 divisors (see below), whose sum is σ = 367619904. Its totient is φ = 38696256.

The previous prime is 149142899. The next prime is 149142941. The reversal of 149142930 is 39241941.

149142930 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×149142930² = 44487227137969800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149142891 and 149142900.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66072 + ... + 68291.

It is an arithmetic number, because the mean of its divisors is an integer number (11488122).

Almost surely, 2^149142930 is an apocalyptic number.

149142930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149142930 is an abundant number, since it is smaller than the sum of its proper divisors (218476974).

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

149142930 is a wasteful number, since it uses less digits than its factorization.

149142930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134410.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 149142930 is about 12212.4088532934. The cubic root of 149142930 is about 530.3153812967.

The spelling of 149142930 in words is "one hundred forty-nine million, one hundred forty-two thousand, nine hundred thirty".