45240152161 has 2 divisors, whose sum is σ = 45240152162. Its totient is φ = 45240152160.

The previous prime is 45240152093. The next prime is 45240152203. The reversal of 45240152161 is 16125104254.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38984133136 + 6256019025 = 197444^2 + 79095^2 .

It is a cyclic number.

It is not a de Polignac number, because 45240152161 - 2¹³ = 45240143969 is a prime.

It is not a weakly prime, because it can be changed into another prime (45240152861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22620076080 + 22620076081.

It is an arithmetic number, because the mean of its divisors is an integer number (22620076081).

Almost surely, 2^45240152161 is an apocalyptic number.

It is an amenable number.

45240152161 is a deficient number, since it is larger than the sum of its proper divisors (1).

45240152161 is an equidigital number, since it uses as much as digits as its factorization.

45240152161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 45240152161 in words is "forty-five billion, two hundred forty million, one hundred fifty-two thousand, one hundred sixty-one".