45444001 has 4 divisors (see below), whose sum is σ = 45459712. Its totient is φ = 45428292.

The previous prime is 45443999. The next prime is 45444011. The reversal of 45444001 is 10044454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45444001 - 2¹ = 45443999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45444011) 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, 2121 + ... + 9766.

It is an arithmetic number, because the mean of its divisors is an integer number (11364928).

Almost surely, 2^45444001 is an apocalyptic number.

It is an amenable number.

45444001 is a deficient number, since it is larger than the sum of its proper divisors (15711).

45444001 is a wasteful number, since it uses less digits than its factorization.

45444001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15710.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 45444001 is about 6741.2165815971. The cubic root of 45444001 is about 356.8553292883.

Adding to 45444001 its reverse (10044454), we get a palindrome (55488455).

The spelling of 45444001 in words is "forty-five million, four hundred forty-four thousand, one".