45126778 has 8 divisors (see below), whose sum is σ = 68700672. Its totient is φ = 22226556.

The previous prime is 45126769. The next prime is 45126779. The reversal of 45126778 is 87762154.

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

It is a super-2 number, since 2×45126778² = 4072852185322568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45126778.

It is not an unprimeable number, because it can be changed into a prime (45126779) 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, 168250 + ... + 168517.

It is an arithmetic number, because the mean of its divisors is an integer number (8587584).

Almost surely, 2^45126778 is an apocalyptic number.

45126778 is a deficient number, since it is larger than the sum of its proper divisors (23573894).

45126778 is a wasteful number, since it uses less digits than its factorization.

45126778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336836.

The product of its digits is 94080, while the sum is 40.

The square root of 45126778 is about 6717.6467605851. The cubic root of 45126778 is about 356.0230437888.

The spelling of 45126778 in words is "forty-five million, one hundred twenty-six thousand, seven hundred seventy-eight".