38146149 has 12 divisors (see below), whose sum is σ = 56589676. Its totient is φ = 24743232.

The previous prime is 38146127. The next prime is 38146159. The reversal of 38146149 is 94164183.

38146149 is a `hidden beast` number, since 38 + 1 + 4 + 614 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17489124 + 20657025 = 4182^2 + 4545^2 .

It is not a de Polignac number, because 38146149 - 2⁸ = 38145893 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 (38146109) 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, 56944 + ... + 57609.

Almost surely, 2^38146149 is an apocalyptic number.

It is an amenable number.

38146149 is a deficient number, since it is larger than the sum of its proper divisors (18443527).

38146149 is a wasteful number, since it uses less digits than its factorization.

38146149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114596 (or 114593 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 38146149 is about 6176.2568761346. The cubic root of 38146149 is about 336.6279974975.

The spelling of 38146149 in words is "thirty-eight million, one hundred forty-six thousand, one hundred forty-nine".