148944939 has 48 divisors (see below), whose sum is σ = 248552064. Its totient is φ = 78374400.

The previous prime is 148944931. The next prime is 148944947. The reversal of 148944939 is 939449841.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (148944931) and next prime (148944947).

It is not a de Polignac number, because 148944939 - 2³ = 148944931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 148944891 and 148944900.

It is not an unprimeable number, because it can be changed into a prime (148944931) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94024 + ... + 95594.

It is an arithmetic number, because the mean of its divisors is an integer number (5178168).

Almost surely, 2^148944939 is an apocalyptic number.

148944939 is a deficient number, since it is larger than the sum of its proper divisors (99607125).

148944939 is a wasteful number, since it uses less digits than its factorization.

148944939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628 (or 1615 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 148944939 is about 12204.3000208943. The cubic root of 148944939 is about 530.0806083637.

The spelling of 148944939 in words is "one hundred forty-eight million, nine hundred forty-four thousand, nine hundred thirty-nine".