45130420523 has 4 divisors (see below), whose sum is σ = 47785151160. Its totient is φ = 42475689888.

The previous prime is 45130420501. The next prime is 45130420579. The reversal of 45130420523 is 32502403154.

It is a happy number.

45130420523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45130420523 - 2⁸ = 45130420267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45130420123) 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, 1327365293 + ... + 1327365326.

It is an arithmetic number, because the mean of its divisors is an integer number (11946287790).

Almost surely, 2^45130420523 is an apocalyptic number.

45130420523 is a deficient number, since it is larger than the sum of its proper divisors (2654730637).

45130420523 is a wasteful number, since it uses less digits than its factorization.

45130420523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654730636.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 45130420523 its reverse (32502403154), we get a palindrome (77632823677).

The spelling of 45130420523 in words is "forty-five billion, one hundred thirty million, four hundred twenty thousand, five hundred twenty-three".