148993930 has 16 divisors (see below), whose sum is σ = 272193120. Its totient is φ = 58707792.

The previous prime is 148993927. The next prime is 148993937. The reversal of 148993930 is 39399841.

148993930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (148993937) 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, 110520 + ... + 111859.

It is an arithmetic number, because the mean of its divisors is an integer number (17012070).

Almost surely, 2^148993930 is an apocalyptic number.

148993930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148993930 is a deficient number, since it is larger than the sum of its proper divisors (123199190).

148993930 is a wasteful number, since it uses less digits than its factorization.

148993930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222453.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 148993930 is about 12206.3069763135. The cubic root of 148993930 is about 530.1387200671.

The spelling of 148993930 in words is "one hundred forty-eight million, nine hundred ninety-three thousand, nine hundred thirty".