45225305552731 has 4 divisors (see below), whose sum is σ = 45555417272232. Its totient is φ = 44895193833232.

The previous prime is 45225305552701. The next prime is 45225305552741. The reversal of 45225305552731 is 13725550352254.

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

It is a cyclic number.

It is not a de Polignac number, because 45225305552731 - 2²³ = 45225297164123 is a prime.

It is a super-2 number, since 2×45225305552731² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45225305552701) 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, 165055859545 + ... + 165055859818.

It is an arithmetic number, because the mean of its divisors is an integer number (11388854318058).

Almost surely, 2^{45225305552731} is an apocalyptic number.

45225305552731 is a deficient number, since it is larger than the sum of its proper divisors (330111719501).

45225305552731 is a wasteful number, since it uses less digits than its factorization.

45225305552731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330111719500.

The product of its (nonzero) digits is 6300000, while the sum is 49.

The spelling of 45225305552731 in words is "forty-five trillion, two hundred twenty-five billion, three hundred five million, five hundred fifty-two thousand, seven hundred thirty-one".