148779715 has 16 divisors (see below), whose sum is σ = 211078080. Its totient is φ = 98501760.

The previous prime is 148779707. The next prime is 148779737. The reversal of 148779715 is 517977841.

148779715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 148779715 - 2³ = 148779707 is a prime.

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, 72276 + ... + 74305.

It is an arithmetic number, because the mean of its divisors is an integer number (13192380).

Almost surely, 2^148779715 is an apocalyptic number.

148779715 is a deficient number, since it is larger than the sum of its proper divisors (62298365).

148779715 is a wasteful number, since it uses less digits than its factorization.

148779715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146622.

The product of its digits is 493920, while the sum is 49.

The square root of 148779715 is about 12197.5290530500. The cubic root of 148779715 is about 529.8845304399.

The spelling of 148779715 in words is "one hundred forty-eight million, seven hundred seventy-nine thousand, seven hundred fifteen".