45378573 has 8 divisors (see below), whose sum is σ = 60617568. Its totient is φ = 30195984.

The previous prime is 45378527. The next prime is 45378577. The reversal of 45378573 is 37587354.

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

It is not a de Polignac number, because 45378573 - 2¹⁴ = 45362189 is a prime.

It is a Smith number, since the sum of its digits (42) 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 (45378577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12186 + ... + 15467.

It is an arithmetic number, because the mean of its divisors is an integer number (7577196).

Almost surely, 2^45378573 is an apocalyptic number.

It is an amenable number.

45378573 is a deficient number, since it is larger than the sum of its proper divisors (15238995).

45378573 is a wasteful number, since it uses less digits than its factorization.

45378573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28203.

The product of its digits is 352800, while the sum is 42.

The square root of 45378573 is about 6736.3620003679. The cubic root of 45378573 is about 356.6839862127.

The spelling of 45378573 in words is "forty-five million, three hundred seventy-eight thousand, five hundred seventy-three".