148247979 has 16 divisors (see below), whose sum is σ = 216846720. Its totient is φ = 89341760.

The previous prime is 148247969. The next prime is 148247987. The reversal of 148247979 is 979742841.

148247979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 148247979 - 2¹⁷ = 148116907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148247909) 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, 6642 + ... + 18455.

It is an arithmetic number, because the mean of its divisors is an integer number (13552920).

Almost surely, 2^148247979 is an apocalyptic number.

148247979 is a deficient number, since it is larger than the sum of its proper divisors (68598741).

148247979 is a wasteful number, since it uses less digits than its factorization.

148247979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25290.

The product of its digits is 1016064, while the sum is 51.

The square root of 148247979 is about 12175.7126690802. The cubic root of 148247979 is about 529.2525110020.

The spelling of 148247979 in words is "one hundred forty-eight million, two hundred forty-seven thousand, nine hundred seventy-nine".