45438454 has 4 divisors (see below), whose sum is σ = 68157684. Its totient is φ = 22719226.

The previous prime is 45438451. The next prime is 45438461. The reversal of 45438454 is 45483454.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45438451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11359612 + ... + 11359615.

It is an arithmetic number, because the mean of its divisors is an integer number (17039421).

Almost surely, 2^45438454 is an apocalyptic number.

45438454 is a deficient number, since it is larger than the sum of its proper divisors (22719230).

45438454 is a wasteful number, since it uses less digits than its factorization.

45438454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22719229.

The product of its digits is 153600, while the sum is 37.

The square root of 45438454 is about 6740.8051447880. The cubic root of 45438454 is about 356.8408091682.

The spelling of 45438454 in words is "forty-five million, four hundred thirty-eight thousand, four hundred fifty-four".