45431103149 has 2 divisors, whose sum is σ = 45431103150. Its totient is φ = 45431103148.

The previous prime is 45431103079. The next prime is 45431103197. The reversal of 45431103149 is 94130113454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41601721225 + 3829381924 = 203965^2 + 61882^2 .

It is a cyclic number.

It is not a de Polignac number, because 45431103149 - 2²⁴ = 45414325933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45431103049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22715551574 + 22715551575.

It is an arithmetic number, because the mean of its divisors is an integer number (22715551575).

Almost surely, 2^45431103149 is an apocalyptic number.

It is an amenable number.

45431103149 is a deficient number, since it is larger than the sum of its proper divisors (1).

45431103149 is an equidigital number, since it uses as much as digits as its factorization.

45431103149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 45431103149 in words is "forty-five billion, four hundred thirty-one million, one hundred three thousand, one hundred forty-nine".