45142460561 has 16 divisors (see below), whose sum is σ = 49854873600. Its totient is φ = 40531776720.

The previous prime is 45142460521. The next prime is 45142460581. The reversal of 45142460561 is 16506424154.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 45142460561 - 2¹⁴ = 45142444177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45142460521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4376336 + ... + 4386638.

It is an arithmetic number, because the mean of its divisors is an integer number (3115929600).

Almost surely, 2^45142460561 is an apocalyptic number.

It is an amenable number.

45142460561 is a deficient number, since it is larger than the sum of its proper divisors (4712413039).

45142460561 is a wasteful number, since it uses less digits than its factorization.

45142460561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15196.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 45142460561 in words is "forty-five billion, one hundred forty-two million, four hundred sixty thousand, five hundred sixty-one".