100025145042 has 64 divisors (see below), whose sum is σ = 217575321600. Its totient is φ = 30539384640.

The previous prime is 100025144987. The next prime is 100025145067. The reversal of 100025145042 is 240541520001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3934809 + ... + 3960147.

It is an arithmetic number, because the mean of its divisors is an integer number (3399614400).

Almost surely, 2^100025145042 is an apocalyptic number.

100025145042 is an abundant number, since it is smaller than the sum of its proper divisors (117550176558).

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

100025145042 is a wasteful number, since it uses less digits than its factorization.

100025145042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26511.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 100025145042 its reverse (240541520001), we get a palindrome (340566665043).

The spelling of 100025145042 in words is "one hundred billion, twenty-five million, one hundred forty-five thousand, forty-two".