15145142103 has 80 divisors (see below), whose sum is σ = 27884324160. Its totient is φ = 7977429504.

The previous prime is 15145142093. The next prime is 15145142107. The reversal of 15145142103 is 30124154151.

15145142103 is a `hidden beast` number, since 1 + 514 + 5 + 1 + 42 + 103 = 666.

It is not a de Polignac number, because 15145142103 - 2¹⁰ = 15145141079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15145142107) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9411963 + ... + 9413571.

It is an arithmetic number, because the mean of its divisors is an integer number (348554052).

Almost surely, 2^15145142103 is an apocalyptic number.

15145142103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

15145142103 is a deficient number, since it is larger than the sum of its proper divisors (12739182057).

15145142103 is a wasteful number, since it uses less digits than its factorization.

15145142103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918 (or 2909 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 15145142103 its reverse (30124154151), we get a palindrome (45269296254).

The spelling of 15145142103 in words is "fifteen billion, one hundred forty-five million, one hundred forty-two thousand, one hundred three".