45018826 has 4 divisors (see below), whose sum is σ = 67528242. Its totient is φ = 22509412.

The previous prime is 45018823. The next prime is 45018877. The reversal of 45018826 is 62881054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62881054 = 2 ⋅31440527.

It can be written as a sum of positive squares in only one way, i.e., 29691601 + 15327225 = 5449^2 + 3915^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45018791 and 45018800.

It is not an unprimeable number, because it can be changed into a prime (45018821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11254705 + ... + 11254708.

Almost surely, 2^45018826 is an apocalyptic number.

45018826 is a deficient number, since it is larger than the sum of its proper divisors (22509416).

45018826 is a wasteful number, since it uses less digits than its factorization.

45018826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22509415.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 45018826 is about 6709.6069929617. The cubic root of 45018826 is about 355.7389250694.

The spelling of 45018826 in words is "forty-five million, eighteen thousand, eight hundred twenty-six".