45125550523 has 4 divisors (see below), whose sum is σ = 45563662768. Its totient is φ = 44687438280.

The previous prime is 45125550521. The next prime is 45125550527. The reversal of 45125550523 is 32505552154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32505552154 = 2 ⋅16252776077.

It is a cyclic number.

It is not a de Polignac number, because 45125550523 - 2¹ = 45125550521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45125550521) 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, 219055968 + ... + 219056173.

It is an arithmetic number, because the mean of its divisors is an integer number (11390915692).

Almost surely, 2^45125550523 is an apocalyptic number.

45125550523 is a deficient number, since it is larger than the sum of its proper divisors (438112245).

45125550523 is a wasteful number, since it uses less digits than its factorization.

45125550523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438112244.

The product of its (nonzero) digits is 150000, while the sum is 37.

The spelling of 45125550523 in words is "forty-five billion, one hundred twenty-five million, five hundred fifty thousand, five hundred twenty-three".