40603149 has 12 divisors (see below), whose sum is σ = 60541312. Its totient is φ = 26195400.

The previous prime is 40603127. The next prime is 40603163. The reversal of 40603149 is 94130604.

40603149 is a `hidden beast` number, since 40 + 603 + 14 + 9 = 666.

40603149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40603149 - 2⁸ = 40602893 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 (40603109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72487 + ... + 73044.

Almost surely, 2^40603149 is an apocalyptic number.

It is an amenable number.

40603149 is a deficient number, since it is larger than the sum of its proper divisors (19938163).

40603149 is a wasteful number, since it uses less digits than its factorization.

40603149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145568 (or 145565 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 40603149 is about 6372.0600279658. The cubic root of 40603149 is about 343.7055716024.

The spelling of 40603149 in words is "forty million, six hundred three thousand, one hundred forty-nine".