148515930 has 80 divisors (see below), whose sum is σ = 401945544. Its totient is φ = 39346560.

The previous prime is 148515923. The next prime is 148515953. The reversal of 148515930 is 39515841.

148515930 is a `hidden beast` number, since 14 + 8 + 51 + 593 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 22155849 + 126360081 = 4707^2 + 11241^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 146104 + ... + 147116.

Almost surely, 2^148515930 is an apocalyptic number.

148515930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 148515930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200972772).

148515930 is an abundant number, since it is smaller than the sum of its proper divisors (253429614).

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

148515930 is a wasteful number, since it uses less digits than its factorization.

148515930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 148515930 is about 12186.7112052432. The cubic root of 148515930 is about 529.5711851266.

The spelling of 148515930 in words is "one hundred forty-eight million, five hundred fifteen thousand, nine hundred thirty".