15142427 has 8 divisors (see below), whose sum is σ = 16077600. Its totient is φ = 14212224.

The previous prime is 15142403. The next prime is 15142429. The reversal of 15142427 is 72424151.

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

It is a cyclic number.

It is not a de Polignac number, because 15142427 - 2¹⁴ = 15126043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15142396 and 15142405.

It is not an unprimeable number, because it can be changed into a prime (15142429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6449 + ... + 8477.

It is an arithmetic number, because the mean of its divisors is an integer number (2009700).

Almost surely, 2^15142427 is an apocalyptic number.

15142427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

15142427 is a deficient number, since it is larger than the sum of its proper divisors (935173).

15142427 is a wasteful number, since it uses less digits than its factorization.

15142427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485.

The product of its digits is 2240, while the sum is 26.

The square root of 15142427 is about 3891.3271514999. The cubic root of 15142427 is about 247.3993169363.

Adding to 15142427 its reverse (72424151), we get a palindrome (87566578).

The spelling of 15142427 in words is "fifteen million, one hundred forty-two thousand, four hundred twenty-seven".