45918001 has 4 divisors (see below), whose sum is σ = 45946404. Its totient is φ = 45889600.

The previous prime is 45917987. The next prime is 45918017. The reversal of 45918001 is 10081954.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11390625 + 34527376 = 3375^2 + 5876^2 .

It is a cyclic number.

It is not a de Polignac number, because 45918001 - 2²⁵ = 12363569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45918091) 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, 11620 + ... + 15061.

It is an arithmetic number, because the mean of its divisors is an integer number (11486601).

Almost surely, 2^45918001 is an apocalyptic number.

It is an amenable number.

45918001 is a deficient number, since it is larger than the sum of its proper divisors (28403).

45918001 is a wasteful number, since it uses less digits than its factorization.

45918001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28402.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 45918001 is about 6776.2822402849. The cubic root of 45918001 is about 358.0917573234.

Adding to 45918001 its reverse (10081954), we get a palindrome (55999955).

The spelling of 45918001 in words is "forty-five million, nine hundred eighteen thousand, one".