45918464 has 18 divisors (see below), whose sum is σ = 91658070. Its totient is φ = 22959104.

The previous prime is 45918463. The next prime is 45918473. The reversal of 45918464 is 46481954.

It can be written as a sum of positive squares in only one way, i.e., 36966400 + 8952064 = 6080^2 + 2992^2 .

It is a super-2 number, since 2×45918464² = 4217010672238592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45918463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89429 + ... + 89940.

It is an arithmetic number, because the mean of its divisors is an integer number (5092115).

Almost surely, 2^45918464 is an apocalyptic number.

It is an amenable number.

45918464 is a deficient number, since it is larger than the sum of its proper divisors (45739606).

45918464 is an equidigital number, since it uses as much as digits as its factorization.

45918464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179385 (or 179371 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 45918464 is about 6776.3164034747. The cubic root of 45918464 is about 358.0929608886.

The spelling of 45918464 in words is "forty-five million, nine hundred eighteen thousand, four hundred sixty-four".