45454565 has 16 divisors (see below), whose sum is σ = 58892400. Its totient is φ = 33480192.

The previous prime is 45454547. The next prime is 45454567. The reversal of 45454565 is 56545454.

It is a Cunningham number, because it is equal to 6742²+1.

45454565 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 8 ways, for example, as 591361 + 44863204 = 769^2 + 6698^2 .

It is a cyclic number.

It is not a de Polignac number, because 45454565 - 2⁶ = 45454501 is a prime.

It is a super-2 number, since 2×45454565² = 4132234958678450, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45454567) 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, 36371 + ... + 37599.

It is an arithmetic number, because the mean of its divisors is an integer number (3680775).

Almost surely, 2^45454565 is an apocalyptic number.

It is an amenable number.

45454565 is a deficient number, since it is larger than the sum of its proper divisors (13437835).

45454565 is a wasteful number, since it uses less digits than its factorization.

45454565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816.

The product of its digits is 240000, while the sum is 38.

The square root of 45454565 is about 6742.0000741620. Note that the first 4 decimals coincide. The cubic root of 45454565 is about 356.8829789050.

The spelling of 45454565 in words is "forty-five million, four hundred fifty-four thousand, five hundred sixty-five".