45555314509 has 2 divisors, whose sum is σ = 45555314510. Its totient is φ = 45555314508.

The previous prime is 45555314503. The next prime is 45555314551. The reversal of 45555314509 is 90541355554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45006349609 + 548964900 = 212147^2 + 23430^2 .

It is a cyclic number.

It is not a de Polignac number, because 45555314509 - 2²³ = 45546925901 is a prime.

It is a super-2 number, since 2×45555314509² (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 (45555314503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22777657254 + 22777657255.

It is an arithmetic number, because the mean of its divisors is an integer number (22777657255).

Almost surely, 2^45555314509 is an apocalyptic number.

It is an amenable number.

45555314509 is a deficient number, since it is larger than the sum of its proper divisors (1).

45555314509 is an equidigital number, since it uses as much as digits as its factorization.

45555314509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350000, while the sum is 46.

The spelling of 45555314509 in words is "forty-five billion, five hundred fifty-five million, three hundred fourteen thousand, five hundred nine".