45145612654 has 4 divisors (see below), whose sum is σ = 67718418984. Its totient is φ = 22572806326.

The previous prime is 45145612637. The next prime is 45145612679. The reversal of 45145612654 is 45621654154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45621654154 = 2 ⋅22810827077.

It is a self number, because there is not a number n which added to its sum of digits gives 45145612654.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11286403162 + ... + 11286403165.

It is an arithmetic number, because the mean of its divisors is an integer number (16929604746).

Almost surely, 2^45145612654 is an apocalyptic number.

45145612654 is a deficient number, since it is larger than the sum of its proper divisors (22572806330).

45145612654 is a wasteful number, since it uses less digits than its factorization.

45145612654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22572806329.

The product of its digits is 576000, while the sum is 43.

The spelling of 45145612654 in words is "forty-five billion, one hundred forty-five million, six hundred twelve thousand, six hundred fifty-four".