45394975 has 6 divisors (see below), whose sum is σ = 56289800. Its totient is φ = 36315960.

The previous prime is 45394969. The next prime is 45394991. The reversal of 45394975 is 57949354.

It is a happy number.

It is not a de Polignac number, because 45394975 - 2⁹ = 45394463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 907875 + ... + 907924.

Almost surely, 2^45394975 is an apocalyptic number.

45394975 is a deficient number, since it is larger than the sum of its proper divisors (10894825).

45394975 is a wasteful number, since it uses less digits than its factorization.

45394975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815809 (or 1815804 counting only the distinct ones).

The product of its digits is 680400, while the sum is 46.

The square root of 45394975 is about 6737.5793130768. The cubic root of 45394975 is about 356.7269552884.

The spelling of 45394975 in words is "forty-five million, three hundred ninety-four thousand, nine hundred seventy-five".