45268778 has 8 divisors (see below), whose sum is σ = 67995840. Its totient is φ = 22603500.

The previous prime is 45268763. The next prime is 45268789. The reversal of 45268778 is 87786254.

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

It is a super-2 number, since 2×45268778² = 4098524523226568, which contains 22 as substring.

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, 13568 + ... + 16571.

It is an arithmetic number, because the mean of its divisors is an integer number (8499480).

Almost surely, 2^45268778 is an apocalyptic number.

45268778 is a deficient number, since it is larger than the sum of its proper divisors (22727062).

45268778 is a wasteful number, since it uses less digits than its factorization.

45268778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30892.

The product of its digits is 752640, while the sum is 47.

The square root of 45268778 is about 6728.2076365106. The cubic root of 45268778 is about 356.3960842148.

The spelling of 45268778 in words is "forty-five million, two hundred sixty-eight thousand, seven hundred seventy-eight".