45312641 has 4 divisors (see below), whose sum is σ = 49431984. Its totient is φ = 41193300.

The previous prime is 45312601. The next prime is 45312647. The reversal of 45312641 is 14621354.

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 45312641 - 2⁶ = 45312577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45312641.

It is not an unprimeable number, because it can be changed into a prime (45312647) 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, 2059655 + ... + 2059676.

It is an arithmetic number, because the mean of its divisors is an integer number (12357996).

Almost surely, 2^45312641 is an apocalyptic number.

It is an amenable number.

45312641 is a deficient number, since it is larger than the sum of its proper divisors (4119343).

45312641 is a wasteful number, since it uses less digits than its factorization.

45312641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119342.

The product of its digits is 2880, while the sum is 26.

The square root of 45312641 is about 6731.4664821271. The cubic root of 45312641 is about 356.5111565730.

Adding to 45312641 its reverse (14621354), we get a palindrome (59933995).

The spelling of 45312641 in words is "forty-five million, three hundred twelve thousand, six hundred forty-one".