45214152509 has 2 divisors, whose sum is σ = 45214152510. Its totient is φ = 45214152508.

The previous prime is 45214152443. The next prime is 45214152563. The reversal of 45214152509 is 90525141254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25873687609 + 19340464900 = 160853^2 + 139070^2 .

It is a cyclic number.

It is not a de Polignac number, because 45214152509 - 2⁸ = 45214152253 is a prime.

It is a super-2 number, since 2×45214152509² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45214152589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22607076254 + 22607076255.

It is an arithmetic number, because the mean of its divisors is an integer number (22607076255).

Almost surely, 2^45214152509 is an apocalyptic number.

It is an amenable number.

45214152509 is a deficient number, since it is larger than the sum of its proper divisors (1).

45214152509 is an equidigital number, since it uses as much as digits as its factorization.

45214152509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 45214152509 in words is "forty-five billion, two hundred fourteen million, one hundred fifty-two thousand, five hundred nine".