45256321139 has 2 divisors, whose sum is σ = 45256321140. Its totient is φ = 45256321138.

The previous prime is 45256321133. The next prime is 45256321193. The reversal of 45256321139 is 93112365254.

45256321139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (45256321193) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45256321139 - 2⁸ = 45256320883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45256321096 and 45256321105.

It is not a weakly prime, because it can be changed into another prime (45256321133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22628160569 + 22628160570.

It is an arithmetic number, because the mean of its divisors is an integer number (22628160570).

Almost surely, 2^45256321139 is an apocalyptic number.

45256321139 is a deficient number, since it is larger than the sum of its proper divisors (1).

45256321139 is an equidigital number, since it uses as much as digits as its factorization.

45256321139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 41.

The spelling of 45256321139 in words is "forty-five billion, two hundred fifty-six million, three hundred twenty-one thousand, one hundred thirty-nine".