45548518 has 16 divisors (see below), whose sum is σ = 69939936. Its totient is φ = 22239360.

The previous prime is 45548501. The next prime is 45548539. The reversal of 45548518 is 81584554.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24655 + ... + 26437.

It is an arithmetic number, because the mean of its divisors is an integer number (4371246).

Almost surely, 2^45548518 is an apocalyptic number.

45548518 is a deficient number, since it is larger than the sum of its proper divisors (24391418).

45548518 is a wasteful number, since it uses less digits than its factorization.

45548518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079.

The product of its digits is 128000, while the sum is 40.

The square root of 45548518 is about 6748.9642168262. The cubic root of 45548518 is about 357.1286979072.

The spelling of 45548518 in words is "forty-five million, five hundred forty-eight thousand, five hundred eighteen".