45014311661 has 4 divisors (see below), whose sum is σ = 49106521824. Its totient is φ = 40922101500.

The previous prime is 45014311649. The next prime is 45014311721. The reversal of 45014311661 is 16611341054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45014311661 - 2²² = 45010117357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45014311631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2046105065 + ... + 2046105086.

It is an arithmetic number, because the mean of its divisors is an integer number (12276630456).

Almost surely, 2^45014311661 is an apocalyptic number.

It is an amenable number.

45014311661 is a deficient number, since it is larger than the sum of its proper divisors (4092210163).

45014311661 is a wasteful number, since it uses less digits than its factorization.

45014311661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092210162.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 45014311661 in words is "forty-five billion, fourteen million, three hundred eleven thousand, six hundred sixty-one".