10115145490 has 32 divisors (see below), whose sum is σ = 18389928960. Its totient is φ = 4005517824.

The previous prime is 10115145461. The next prime is 10115145493. The reversal of 10115145490 is 9454151101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10115145493) 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, 2430031 + ... + 2434189.

It is an arithmetic number, because the mean of its divisors is an integer number (574685280).

Almost surely, 2^10115145490 is an apocalyptic number.

10115145490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10115145490 is a deficient number, since it is larger than the sum of its proper divisors (8274783470).

10115145490 is a wasteful number, since it uses less digits than its factorization.

10115145490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6546.

The product of its (nonzero) digits is 3600, while the sum is 31.

Adding to 10115145490 its reverse (9454151101), we get a palindrome (19569296591).

It can be divided in two parts, 101151 and 45490, that added together give a palindrome (146641).

The spelling of 10115145490 in words is "ten billion, one hundred fifteen million, one hundred forty-five thousand, four hundred ninety".