100145258815 has 32 divisors (see below), whose sum is σ = 138698588160. Its totient is φ = 67994930304.

The previous prime is 100145258797. The next prime is 100145258821. The reversal of 100145258815 is 518852541001.

It is a happy number.

It is not a de Polignac number, because 100145258815 - 2⁵ = 100145258783 is a prime.

It is a congruent number.

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, 2240374 + ... + 2284636.

It is an arithmetic number, because the mean of its divisors is an integer number (4334330880).

Almost surely, 2^100145258815 is an apocalyptic number.

100145258815 is a deficient number, since it is larger than the sum of its proper divisors (38553329345).

100145258815 is a wasteful number, since it uses less digits than its factorization.

100145258815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44911.

The product of its (nonzero) digits is 64000, while the sum is 40.

Adding to 100145258815 its reverse (518852541001), we get a palindrome (618997799816).

The spelling of 100145258815 in words is "one hundred billion, one hundred forty-five million, two hundred fifty-eight thousand, eight hundred fifteen".