45406069 has 2 divisors, whose sum is σ = 45406070. Its totient is φ = 45406068.

The previous prime is 45406061. The next prime is 45406079. The reversal of 45406069 is 96060454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24383844 + 21022225 = 4938^2 + 4585^2 .

It is a cyclic number.

It is not a de Polignac number, because 45406069 - 2³ = 45406061 is a prime.

It is a super-2 number, since 2×45406069² = 4123422204065522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45406061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22703034 + 22703035.

It is an arithmetic number, because the mean of its divisors is an integer number (22703035).

Almost surely, 2^45406069 is an apocalyptic number.

It is an amenable number.

45406069 is a deficient number, since it is larger than the sum of its proper divisors (1).

45406069 is an equidigital number, since it uses as much as digits as its factorization.

45406069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 45406069 is about 6738.4025555023. The cubic root of 45406069 is about 356.7560128841.

It can be divided in two parts, 4540 and 6069, that added together give a square (10609 = 103²).

The spelling of 45406069 in words is "forty-five million, four hundred six thousand, sixty-nine".