148570749 has 12 divisors (see below), whose sum is σ = 215182396. Its totient is φ = 98779392.

The previous prime is 148570699. The next prime is 148570789. The reversal of 148570749 is 947075841.

It is a happy number.

148570749 is a `hidden beast` number, since 1 + 4 + 8 + 570 + 74 + 9 = 666.

148570749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 116251524 + 32319225 = 10782^2 + 5685^2 .

It is not a de Polignac number, because 148570749 - 2⁸ = 148570493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148570789) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18772 + ... + 25485.

Almost surely, 2^148570749 is an apocalyptic number.

It is an amenable number.

148570749 is a deficient number, since it is larger than the sum of its proper divisors (66611647).

148570749 is a wasteful number, since it uses less digits than its factorization.

148570749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44636 (or 44633 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 148570749 is about 12188.9601279190. The cubic root of 148570749 is about 529.6363341237.

The spelling of 148570749 in words is "one hundred forty-eight million, five hundred seventy thousand, seven hundred forty-nine".