40604145 has 32 divisors (see below), whose sum is σ = 67302144. Its totient is φ = 20889600.

The previous prime is 40604111. The next prime is 40604167. The reversal of 40604145 is 54140604.

It is not a de Polignac number, because 40604145 - 2⁸ = 40603889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63025 + ... + 63665.

It is an arithmetic number, because the mean of its divisors is an integer number (2103192).

Almost surely, 2^40604145 is an apocalyptic number.

It is an amenable number.

40604145 is a deficient number, since it is larger than the sum of its proper divisors (26697999).

40604145 is a wasteful number, since it uses less digits than its factorization.

40604145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 40604145 is about 6372.1381811759. The cubic root of 40604145 is about 343.7083819587.

Adding to 40604145 its reverse (54140604), we get a palindrome (94744749).

The spelling of 40604145 in words is "forty million, six hundred four thousand, one hundred forty-five".