45378454 has 8 divisors (see below), whose sum is σ = 74255688. Its totient is φ = 20626560.

The previous prime is 45378433. The next prime is 45378461. The reversal of 45378454 is 45487354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031307 + ... + 1031350.

It is an arithmetic number, because the mean of its divisors is an integer number (9281961).

Almost surely, 2^45378454 is an apocalyptic number.

45378454 is a deficient number, since it is larger than the sum of its proper divisors (28877234).

45378454 is a wasteful number, since it uses less digits than its factorization.

45378454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062670.

The product of its digits is 268800, while the sum is 40.

The square root of 45378454 is about 6736.3531677013. The cubic root of 45378454 is about 356.6836744250.

Subtracting 45378454 from its reverse (45487354), we obtain a square (108900 = 330²).

The spelling of 45378454 in words is "forty-five million, three hundred seventy-eight thousand, four hundred fifty-four".