45457165 has 16 divisors (see below), whose sum is σ = 58888368. Its totient is φ = 33486336.

The previous prime is 45457163. The next prime is 45457169. The reversal of 45457165 is 56175454.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6482116 + 38975049 = 2546^2 + 6243^2 .

It is not a de Polignac number, because 45457165 - 2¹ = 45457163 is a prime.

It is a super-5 number, since 5×45457165⁵ (a number of 39 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45457163) 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, 43489 + ... + 44521.

It is an arithmetic number, because the mean of its divisors is an integer number (3680523).

Almost surely, 2^45457165 is an apocalyptic number.

It is an amenable number.

45457165 is a deficient number, since it is larger than the sum of its proper divisors (13431203).

45457165 is a wasteful number, since it uses less digits than its factorization.

45457165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728.

The product of its digits is 84000, while the sum is 37.

The square root of 45457165 is about 6742.1928925239. The cubic root of 45457165 is about 356.8897833412.

The spelling of 45457165 in words is "forty-five million, four hundred fifty-seven thousand, one hundred sixty-five".