45140517 has 16 divisors (see below), whose sum is σ = 67031680. Its totient is φ = 30023136.

The previous prime is 45140507. The next prime is 45140519. The reversal of 45140517 is 71504154.

It is a happy number.

45140517 is a `hidden beast` number, since 4 + 5 + 140 + 517 = 666.

It is not a de Polignac number, because 45140517 - 2⁸ = 45140261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45140519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11433 + ... + 14865.

It is an arithmetic number, because the mean of its divisors is an integer number (4189480).

Almost surely, 2^45140517 is an apocalyptic number.

It is an amenable number.

45140517 is a deficient number, since it is larger than the sum of its proper divisors (21891163).

45140517 is a wasteful number, since it uses less digits than its factorization.

45140517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3929 (or 3923 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 45140517 is about 6718.6692878873. The cubic root of 45140517 is about 356.0591709288.

The spelling of 45140517 in words is "forty-five million, one hundred forty thousand, five hundred seventeen".