148832649 has 18 divisors (see below), whose sum is σ = 250080090. Its totient is φ = 85046976.

The previous prime is 148832641. The next prime is 148832657. The reversal of 148832649 is 946238841.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (148832641) and next prime (148832657).

It can be written as a sum of positive squares in only one way, i.e., 148352400 + 480249 = 12180^2 + 693^2 .

It is not a de Polignac number, because 148832649 - 2³ = 148832641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148832641) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 168304 + ... + 169185.

Almost surely, 2^148832649 is an apocalyptic number.

It is an amenable number.

148832649 is a deficient number, since it is larger than the sum of its proper divisors (101247441).

148832649 is a wasteful number, since it uses less digits than its factorization.

148832649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337509 (or 337499 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 148832649 is about 12199.6987257883. The cubic root of 148832649 is about 529.9473651301.

The spelling of 148832649 in words is "one hundred forty-eight million, eight hundred thirty-two thousand, six hundred forty-nine".