45227478 has 8 divisors (see below), whose sum is σ = 90454968. Its totient is φ = 15075824.

The previous prime is 45227477. The next prime is 45227503. The reversal of 45227478 is 87472254.

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

45227478 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45227477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3768951 + ... + 3768962.

It is an arithmetic number, because the mean of its divisors is an integer number (11306871).

Almost surely, 2^45227478 is an apocalyptic number.

45227478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45227478 is a wasteful number, since it uses less digits than its factorization.

45227478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7537918.

The product of its digits is 125440, while the sum is 39.

The square root of 45227478 is about 6725.1377681056. The cubic root of 45227478 is about 356.2876677930.

The spelling of 45227478 in words is "forty-five million, two hundred twenty-seven thousand, four hundred seventy-eight".