45142839672 has 128 divisors (see below), whose sum is σ = 132891970560. Its totient is φ = 12512517120.

The previous prime is 45142839671. The next prime is 45142839673. The reversal of 45142839672 is 27693824154.

It is an interprime number because it is at equal distance from previous prime (45142839671) and next prime (45142839673).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45142839671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 717933 + ... + 778275.

It is an arithmetic number, because the mean of its divisors is an integer number (1038218520).

Almost surely, 2^45142839672 is an apocalyptic number.

45142839672 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45142839672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66445985280).

45142839672 is an abundant number, since it is smaller than the sum of its proper divisors (87749130888).

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

45142839672 is a wasteful number, since it uses less digits than its factorization.

45142839672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60493 (or 60489 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The spelling of 45142839672 in words is "forty-five billion, one hundred forty-two million, eight hundred thirty-nine thousand, six hundred seventy-two".