45397726128946 has 16 divisors (see below), whose sum is σ = 68134943193408. Its totient is φ = 22686079467600.

The previous prime is 45397726128913. The next prime is 45397726129013. The reversal of 45397726128946 is 64982162779354.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88775731 + ... + 89285641.

It is an arithmetic number, because the mean of its divisors is an integer number (4258433949588).

Almost surely, 2^{45397726128946} is an apocalyptic number.

45397726128946 is a deficient number, since it is larger than the sum of its proper divisors (22737217064462).

45397726128946 is a wasteful number, since it uses less digits than its factorization.

45397726128946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534897.

The product of its digits is 1097349120, while the sum is 73.

The spelling of 45397726128946 in words is "forty-five trillion, three hundred ninety-seven billion, seven hundred twenty-six million, one hundred twenty-eight thousand, nine hundred forty-six".