15434123145 has 48 divisors (see below), whose sum is σ = 28812071808. Its totient is φ = 7034549760.

The previous prime is 15434123141. The next prime is 15434123161. The reversal of 15434123145 is 54132143451.

It is not a de Polignac number, because 15434123145 - 2² = 15434123141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15434123141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 216540 + ... + 278850.

It is an arithmetic number, because the mean of its divisors is an integer number (600251496).

Almost surely, 2^15434123145 is an apocalyptic number.

15434123145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15434123145 is a deficient number, since it is larger than the sum of its proper divisors (13377948663).

15434123145 is a wasteful number, since it uses less digits than its factorization.

15434123145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62670 (or 62663 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

Adding to 15434123145 its reverse (54132143451), we get a palindrome (69566266596).

The spelling of 15434123145 in words is "fifteen billion, four hundred thirty-four million, one hundred twenty-three thousand, one hundred forty-five".