45408157687 has 2 divisors, whose sum is σ = 45408157688. Its totient is φ = 45408157686.

The previous prime is 45408157657. The next prime is 45408157709. The reversal of 45408157687 is 78675180454.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45408157687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45408157607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22704078843 + 22704078844.

It is an arithmetic number, because the mean of its divisors is an integer number (22704078844).

Almost surely, 2^45408157687 is an apocalyptic number.

45408157687 is a deficient number, since it is larger than the sum of its proper divisors (1).

45408157687 is an equidigital number, since it uses as much as digits as its factorization.

45408157687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7526400, while the sum is 55.

The spelling of 45408157687 in words is "forty-five billion, four hundred eight million, one hundred fifty-seven thousand, six hundred eighty-seven".