45330423138 has 192 divisors, whose sum is σ = 132463199232. Its totient is φ = 10819578240.

The previous prime is 45330423101. The next prime is 45330423139. The reversal of 45330423138 is 83132403354.

45330423138 is a `hidden beast` number, since 4 + 5 + 330 + 4 + 2 + 313 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (45330423139) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4084545 + ... + 4095627.

It is an arithmetic number, because the mean of its divisors is an integer number (689912496).

Almost surely, 2^45330423138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45330423138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66231599616).

45330423138 is an abundant number, since it is smaller than the sum of its proper divisors (87132776094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45330423138 is a wasteful number, since it uses less digits than its factorization.

45330423138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11349 (or 11346 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 45330423138 in words is "forty-five billion, three hundred thirty million, four hundred twenty-three thousand, one hundred thirty-eight".