45243454 has 4 divisors (see below), whose sum is σ = 67865184. Its totient is φ = 22621726.

The previous prime is 45243449. The next prime is 45243463. The reversal of 45243454 is 45434254.

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

It is a Smith number, since the sum of its digits (31) 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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11310862 + ... + 11310865.

It is an arithmetic number, because the mean of its divisors is an integer number (16966296).

Almost surely, 2^45243454 is an apocalyptic number.

45243454 is a deficient number, since it is larger than the sum of its proper divisors (22621730).

45243454 is a wasteful number, since it uses less digits than its factorization.

45243454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22621729.

The product of its digits is 38400, while the sum is 31.

The square root of 45243454 is about 6726.3254455906. The cubic root of 45243454 is about 356.3296141344.

The spelling of 45243454 in words is "forty-five million, two hundred forty-three thousand, four hundred fifty-four".