148515983 has 16 divisors (see below), whose sum is σ = 186314496. Its totient is φ = 115007040.

The previous prime is 148515979. The next prime is 148516033. The reversal of 148515983 is 389515841.

148515983 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 148515983 - 2² = 148515979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148515923) 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, 6635 + ... + 18467.

It is an arithmetic number, because the mean of its divisors is an integer number (11644656).

Almost surely, 2^148515983 is an apocalyptic number.

148515983 is a deficient number, since it is larger than the sum of its proper divisors (37798513).

148515983 is a wasteful number, since it uses less digits than its factorization.

148515983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12014.

The product of its digits is 172800, while the sum is 44.

The square root of 148515983 is about 12186.7133797427. The cubic root of 148515983 is about 529.5712481215.

The spelling of 148515983 in words is "one hundred forty-eight million, five hundred fifteen thousand, nine hundred eighty-three".