13645142 has 8 divisors (see below), whose sum is σ = 23391696. Its totient is φ = 5847912.

The previous prime is 13645127. The next prime is 13645157. The reversal of 13645142 is 24154631.

It is an interprime number because it is at equal distance from previous prime (13645127) and next prime (13645157).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487313 + ... + 487340.

It is an arithmetic number, because the mean of its divisors is an integer number (2923962).

Almost surely, 2^13645142 is an apocalyptic number.

13645142 is a deficient number, since it is larger than the sum of its proper divisors (9746554).

13645142 is an equidigital number, since it uses as much as digits as its factorization.

13645142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974662.

The product of its digits is 2880, while the sum is 26.

The square root of 13645142 is about 3693.9331342080. The cubic root of 13645142 is about 238.9604458272.

Adding to 13645142 its reverse (24154631), we get a palindrome (37799773).

The spelling of 13645142 in words is "thirteen million, six hundred forty-five thousand, one hundred forty-two".