45242102142 has 48 divisors (see below), whose sum is σ = 103958814960. Its totient is φ = 14170611456.

The previous prime is 45242102131. The next prime is 45242102179. The reversal of 45242102142 is 24120124254.

It is a happy number.

45242102142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69988 + ... + 308840.

It is an arithmetic number, because the mean of its divisors is an integer number (2165808645).

Almost surely, 2^45242102142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45242102142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51979407480).

45242102142 is an abundant number, since it is smaller than the sum of its proper divisors (58716712818).

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

45242102142 is a wasteful number, since it uses less digits than its factorization.

45242102142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239497 (or 239494 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 45242102142 its reverse (24120124254), we get a palindrome (69362226396).

The spelling of 45242102142 in words is "forty-five billion, two hundred forty-two million, one hundred two thousand, one hundred forty-two".