148116731 has 4 divisors (see below), whose sum is σ = 169276272. Its totient is φ = 126957192.

The previous prime is 148116719. The next prime is 148116739. The reversal of 148116731 is 137611841.

148116731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148116731 - 2¹⁸ = 147854587 is a prime.

It is a super-2 number, since 2×148116731² = 43877132004252722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148116739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10579760 + ... + 10579773.

It is an arithmetic number, because the mean of its divisors is an integer number (42319068).

Almost surely, 2^148116731 is an apocalyptic number.

148116731 is a deficient number, since it is larger than the sum of its proper divisors (21159541).

148116731 is an equidigital number, since it uses as much as digits as its factorization.

148116731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21159540.

The product of its digits is 4032, while the sum is 32.

The square root of 148116731 is about 12170.3217295189. The cubic root of 148116731 is about 529.0962776346.

The spelling of 148116731 in words is "one hundred forty-eight million, one hundred sixteen thousand, seven hundred thirty-one".