45853778 has 4 divisors (see below), whose sum is σ = 68780670. Its totient is φ = 22926888.

The previous prime is 45853757. The next prime is 45853817. The reversal of 45853778 is 87735854.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31888609 + 13965169 = 5647^2 + 3737^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11463443 + ... + 11463446.

Almost surely, 2^45853778 is an apocalyptic number.

45853778 is a deficient number, since it is larger than the sum of its proper divisors (22926892).

45853778 is a wasteful number, since it uses less digits than its factorization.

45853778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22926891.

The product of its digits is 940800, while the sum is 47.

The square root of 45853778 is about 6771.5417742195. The cubic root of 45853778 is about 357.9247316352.

The spelling of 45853778 in words is "forty-five million, eight hundred fifty-three thousand, seven hundred seventy-eight".