45444254507 has 2 divisors, whose sum is σ = 45444254508. Its totient is φ = 45444254506.

The previous prime is 45444254503. The next prime is 45444254561. The reversal of 45444254507 is 70545244454.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45444254507 - 2² = 45444254503 is a prime.

It is not a weakly prime, because it can be changed into another prime (45444254503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22722127253 + 22722127254.

It is an arithmetic number, because the mean of its divisors is an integer number (22722127254).

Almost surely, 2^45444254507 is an apocalyptic number.

45444254507 is a deficient number, since it is larger than the sum of its proper divisors (1).

45444254507 is an equidigital number, since it uses as much as digits as its factorization.

45444254507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792000, while the sum is 44.

The spelling of 45444254507 in words is "forty-five billion, four hundred forty-four million, two hundred fifty-four thousand, five hundred seven".