45837818 has 8 divisors (see below), whose sum is σ = 74045748. Its totient is φ = 21155904.

The previous prime is 45837811. The next prime is 45837833. The reversal of 45837818 is 81873854.

It can be written as a sum of positive squares in 2 ways, for example, as 42680089 + 3157729 = 6533^2 + 1777^2 .

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

It is a super-2 number, since 2×45837818² = 4202211118002248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45837811) 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, 881471 + ... + 881522.

Almost surely, 2^45837818 is an apocalyptic number.

45837818 is a deficient number, since it is larger than the sum of its proper divisors (28207930).

45837818 is a wasteful number, since it uses less digits than its factorization.

45837818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763008.

The product of its digits is 215040, while the sum is 44.

The square root of 45837818 is about 6770.3632103455. The cubic root of 45837818 is about 357.8832000402.

The spelling of 45837818 in words is "forty-five million, eight hundred thirty-seven thousand, eight hundred eighteen".