149335930 has 16 divisors (see below), whose sum is σ = 273212424. Its totient is φ = 58754880.

The previous prime is 149335867. The next prime is 149335931. The reversal of 149335930 is 39533941.

It can be written as a sum of positive squares in 4 ways, for example, as 120143521 + 29192409 = 10961^2 + 5403^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 149335930.

It is not an unprimeable number, because it can be changed into a prime (149335931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121797 + ... + 123016.

Almost surely, 2^149335930 is an apocalyptic number.

149335930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149335930 is a deficient number, since it is larger than the sum of its proper divisors (123876494).

149335930 is a wasteful number, since it uses less digits than its factorization.

149335930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244881.

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 149335930 is about 12220.3080975890. The cubic root of 149335930 is about 530.5440361199.

The spelling of 149335930 in words is "one hundred forty-nine million, three hundred thirty-five thousand, nine hundred thirty".