45297454 has 4 divisors (see below), whose sum is σ = 67946184. Its totient is φ = 22648726.

The previous prime is 45297451. The next prime is 45297467. The reversal of 45297454 is 45479254.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (45297451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11324362 + ... + 11324365.

It is an arithmetic number, because the mean of its divisors is an integer number (16986546).

Almost surely, 2^45297454 is an apocalyptic number.

45297454 is a deficient number, since it is larger than the sum of its proper divisors (22648730).

45297454 is a wasteful number, since it uses less digits than its factorization.

45297454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22648729.

The product of its digits is 201600, while the sum is 40.

The square root of 45297454 is about 6730.3383273057. The cubic root of 45297454 is about 356.4713226560.

The spelling of 45297454 in words is "forty-five million, two hundred ninety-seven thousand, four hundred fifty-four".