45555452431 has 2 divisors, whose sum is σ = 45555452432. Its totient is φ = 45555452430.

The previous prime is 45555452419. The next prime is 45555452447. The reversal of 45555452431 is 13425455554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45555452431 - 2¹¹ = 45555450383 is a prime.

It is a super-2 number, since 2×45555452431² (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 (45555452471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22777726215 + 22777726216.

It is an arithmetic number, because the mean of its divisors is an integer number (22777726216).

Almost surely, 2^45555452431 is an apocalyptic number.

45555452431 is a deficient number, since it is larger than the sum of its proper divisors (1).

45555452431 is an equidigital number, since it uses as much as digits as its factorization.

45555452431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200000, while the sum is 43.

The spelling of 45555452431 in words is "forty-five billion, five hundred fifty-five million, four hundred fifty-two thousand, four hundred thirty-one".