15345245134 has 4 divisors (see below), whose sum is σ = 23017867704. Its totient is φ = 7672622566.

The previous prime is 15345245129. The next prime is 15345245137. The reversal of 15345245134 is 43154254351.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 15345245093 and 15345245102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15345245137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3836311282 + ... + 3836311285.

It is an arithmetic number, because the mean of its divisors is an integer number (5754466926).

Almost surely, 2^15345245134 is an apocalyptic number.

15345245134 is a deficient number, since it is larger than the sum of its proper divisors (7672622570).

15345245134 is an equidigital number, since it uses as much as digits as its factorization.

15345245134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7672622569.

The product of its digits is 144000, while the sum is 37.

Adding to 15345245134 its reverse (43154254351), we get a palindrome (58499499485).

The spelling of 15345245134 in words is "fifteen billion, three hundred forty-five million, two hundred forty-five thousand, one hundred thirty-four".