2445726157139 has 16 divisors (see below), whose sum is σ = 2496332280000. Its totient is φ = 2395588317696.

The previous prime is 2445726157111. The next prime is 2445726157207. The reversal of 2445726157139 is 9317516275442.

It is a cyclic number.

It is not a de Polignac number, because 2445726157139 - 2²⁸ = 2445457721683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2445726157739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68975087 + ... + 69010535.

It is an arithmetic number, because the mean of its divisors is an integer number (156020767500).

Almost surely, 2^{2445726157139} is an apocalyptic number.

2445726157139 is a deficient number, since it is larger than the sum of its proper divisors (50606122861).

2445726157139 is a wasteful number, since it uses less digits than its factorization.

2445726157139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42014.

The product of its digits is 12700800, while the sum is 56.

The spelling of 2445726157139 in words is "two trillion, four hundred forty-five billion, seven hundred twenty-six million, one hundred fifty-seven thousand, one hundred thirty-nine".