45902045 has 16 divisors (see below), whose sum is σ = 63168768. Its totient is φ = 31367040.

The previous prime is 45902039. The next prime is 45902047. The reversal of 45902045 is 54020954.

It is a happy number.

It is not a de Polignac number, because 45902045 - 2²⁴ = 29124829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45901999 and 45902017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45902047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8777 + ... + 12993.

It is an arithmetic number, because the mean of its divisors is an integer number (3948048).

Almost surely, 2^45902045 is an apocalyptic number.

It is an amenable number.

45902045 is a deficient number, since it is larger than the sum of its proper divisors (17266723).

45902045 is a wasteful number, since it uses less digits than its factorization.

45902045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4540.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 45902045 is about 6775.1047962375. The cubic root of 45902045 is about 358.0502748699.

Adding to 45902045 its reverse (54020954), we get a palindrome (99922999).

The spelling of 45902045 in words is "forty-five million, nine hundred two thousand, forty-five".