45444953 has 4 divisors (see below), whose sum is σ = 45522960. Its totient is φ = 45366948.

The previous prime is 45444923. The next prime is 45445003. The reversal of 45444953 is 35944454.

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 45444953 - 2⁸ = 45444697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45444923) 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, 38123 + ... + 39296.

It is an arithmetic number, because the mean of its divisors is an integer number (11380740).

Almost surely, 2^45444953 is an apocalyptic number.

It is an amenable number.

45444953 is a deficient number, since it is larger than the sum of its proper divisors (78007).

45444953 is an equidigital number, since it uses as much as digits as its factorization.

45444953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78006.

The product of its digits is 172800, while the sum is 38.

The square root of 45444953 is about 6741.2871916274. The cubic root of 45444953 is about 356.8578211750.

The spelling of 45444953 in words is "forty-five million, four hundred forty-four thousand, nine hundred fifty-three".