45665174378 has 16 divisors (see below), whose sum is σ = 69374204160. Its totient is φ = 22540518000.

The previous prime is 45665174377. The next prime is 45665174447. The reversal of 45665174378 is 87347156654.

It is a happy number.

45665174378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45665174377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1549763 + ... + 1578953.

It is an arithmetic number, because the mean of its divisors is an integer number (4335887760).

Almost surely, 2^45665174378 is an apocalyptic number.

45665174378 is a deficient number, since it is larger than the sum of its proper divisors (23709029782).

45665174378 is a wasteful number, since it uses less digits than its factorization.

45665174378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39173.

The product of its digits is 16934400, while the sum is 56.

The spelling of 45665174378 in words is "forty-five billion, six hundred sixty-five million, one hundred seventy-four thousand, three hundred seventy-eight".