45401162531 has 2 divisors, whose sum is σ = 45401162532. Its totient is φ = 45401162530.

The previous prime is 45401162519. The next prime is 45401162551. The reversal of 45401162531 is 13526110454.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45401162531 is a prime.

It is a super-2 number, since 2×45401162531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45401162551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22700581265 + 22700581266.

It is an arithmetic number, because the mean of its divisors is an integer number (22700581266).

Almost surely, 2^45401162531 is an apocalyptic number.

45401162531 is a deficient number, since it is larger than the sum of its proper divisors (1).

45401162531 is an equidigital number, since it uses as much as digits as its factorization.

45401162531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 45401162531 its reverse (13526110454), we get a palindrome (58927272985).

The spelling of 45401162531 in words is "forty-five billion, four hundred one million, one hundred sixty-two thousand, five hundred thirty-one".