100406145250 has 32 divisors (see below), whose sum is σ = 189821344752. Its totient is φ = 39764800000.

The previous prime is 100406145247. The next prime is 100406145341. The reversal of 100406145250 is 52541604001.

It can be written as a sum of positive squares in 8 ways, for example, as 10856181249 + 89549964001 = 104193^2 + 299249^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1962991 + ... + 2013490.

Almost surely, 2^100406145250 is an apocalyptic number.

100406145250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100406145250 is a deficient number, since it is larger than the sum of its proper divisors (89415199502).

100406145250 is a wasteful number, since it uses less digits than its factorization.

100406145250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976599 (or 3976589 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 100406145250 its reverse (52541604001), we get a palindrome (152947749251).

The spelling of 100406145250 in words is "one hundred billion, four hundred six million, one hundred forty-five thousand, two hundred fifty".