42345503144 has 64 divisors (see below), whose sum is σ = 92947944960. Its totient is φ = 17708866560.

The previous prime is 42345503143. The next prime is 42345503171. The reversal of 42345503144 is 44130554324.

It is not an unprimeable number, because it can be changed into a prime (42345503143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863114 + ... + 910854.

It is an arithmetic number, because the mean of its divisors is an integer number (1452311640).

Almost surely, 2^42345503144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42345503144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46473972480).

42345503144 is an abundant number, since it is smaller than the sum of its proper divisors (50602441816).

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

42345503144 is a wasteful number, since it uses less digits than its factorization.

42345503144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48138 (or 48134 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

The spelling of 42345503144 in words is "forty-two billion, three hundred forty-five million, five hundred three thousand, one hundred forty-four".