10145202500 has 30 divisors (see below), whose sum is σ = 22185534294. Its totient is φ = 4058080000.

The previous prime is 10145202461. The next prime is 10145202517. The reversal of 10145202500 is 520254101.

It can be written as a sum of positive squares in 5 ways, for example, as 1565626624 + 8579575876 = 39568^2 + 92626^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2026541 + ... + 2031540.

Almost surely, 2^10145202500 is an apocalyptic number.

10145202500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10145202500 is an abundant number, since it is smaller than the sum of its proper divisors (12040331794).

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

10145202500 is an equidigital number, since it uses as much as digits as its factorization.

10145202500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058105 (or 4058088 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 10145202500 its reverse (520254101), we get a palindrome (10665456601).

The spelling of 10145202500 in words is "ten billion, one hundred forty-five million, two hundred two thousand, five hundred".