45913818 has 16 divisors (see below), whose sum is σ = 94309920. Its totient is φ = 14890896.

The previous prime is 45913817. The next prime is 45913831. The reversal of 45913818 is 81831954.

It is not an unprimeable number, because it can be changed into a prime (45913817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103188 + ... + 103631.

It is an arithmetic number, because the mean of its divisors is an integer number (5894370).

Almost surely, 2^45913818 is an apocalyptic number.

45913818 is an abundant number, since it is smaller than the sum of its proper divisors (48396102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45913818 is a wasteful number, since it uses less digits than its factorization.

45913818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206861.

The product of its digits is 34560, while the sum is 39.

The square root of 45913818 is about 6775.9735831835. The cubic root of 45913818 is about 358.0808832778.

The spelling of 45913818 in words is "forty-five million, nine hundred thirteen thousand, eight hundred eighteen".