45115669 has 2 divisors, whose sum is σ = 45115670. Its totient is φ = 45115668.

The previous prime is 45115663. The next prime is 45115687. The reversal of 45115669 is 96651154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37662769 + 7452900 = 6137^2 + 2730^2 .

It is a cyclic number.

It is not a de Polignac number, because 45115669 - 2¹⁵ = 45082901 is a prime.

It is a super-2 number, since 2×45115669² = 4070847178635122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45115663) 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 as a sum of consecutive naturals, namely, 22557834 + 22557835.

It is an arithmetic number, because the mean of its divisors is an integer number (22557835).

Almost surely, 2^45115669 is an apocalyptic number.

It is an amenable number.

45115669 is a deficient number, since it is larger than the sum of its proper divisors (1).

45115669 is an equidigital number, since it uses as much as digits as its factorization.

45115669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 37.

The square root of 45115669 is about 6716.8198576410. The cubic root of 45115669 is about 355.9938269560.

The spelling of 45115669 in words is "forty-five million, one hundred fifteen thousand, six hundred sixty-nine".