40145104 has 20 divisors (see below), whose sum is σ = 78878880. Its totient is φ = 19789280.

The previous prime is 40145089. The next prime is 40145113. The reversal of 40145104 is 40154104.

It is a super-2 number, since 2×40145104² = 3223258750341632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16534 + ... + 18805.

It is an arithmetic number, because the mean of its divisors is an integer number (3943944).

Almost surely, 2^40145104 is an apocalyptic number.

It is an amenable number.

40145104 is a deficient number, since it is larger than the sum of its proper divisors (38733776).

40145104 is a wasteful number, since it uses less digits than its factorization.

40145104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35418 (or 35412 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 40145104 is about 6336.0164141202. The cubic root of 40145104 is about 342.4082308704.

Adding to 40145104 its reverse (40154104), we get a palindrome (80299208).

The spelling of 40145104 in words is "forty million, one hundred forty-five thousand, one hundred four".