45734278 has 4 divisors (see below), whose sum is σ = 68601420. Its totient is φ = 22867138.

The previous prime is 45734203. The next prime is 45734279. The reversal of 45734278 is 87243754.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 45734278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45734279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11433568 + ... + 11433571.

It is an arithmetic number, because the mean of its divisors is an integer number (17150355).

Almost surely, 2^45734278 is an apocalyptic number.

45734278 is a deficient number, since it is larger than the sum of its proper divisors (22867142).

45734278 is a wasteful number, since it uses less digits than its factorization.

45734278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22867141.

The product of its digits is 188160, while the sum is 40.

The square root of 45734278 is about 6762.7123256871. The cubic root of 45734278 is about 357.6135307020.

The spelling of 45734278 in words is "forty-five million, seven hundred thirty-four thousand, two hundred seventy-eight".