45151193431 has 2 divisors, whose sum is σ = 45151193432. Its totient is φ = 45151193430.

The previous prime is 45151193429. The next prime is 45151193443. The reversal of 45151193431 is 13439115154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45151193431 - 2¹ = 45151193429 is a prime.

It is a super-2 number, since 2×45151193431² (a number of 22 digits) contains 22 as substring.

Together with 45151193429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45151193471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22575596715 + 22575596716.

It is an arithmetic number, because the mean of its divisors is an integer number (22575596716).

Almost surely, 2^45151193431 is an apocalyptic number.

45151193431 is a deficient number, since it is larger than the sum of its proper divisors (1).

45151193431 is an equidigital number, since it uses as much as digits as its factorization.

45151193431 is an evil number, because the sum of its binary digits is even.

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

The spelling of 45151193431 in words is "forty-five billion, one hundred fifty-one million, one hundred ninety-three thousand, four hundred thirty-one".