15142429 has 2 divisors, whose sum is σ = 15142430. Its totient is φ = 15142428.

The previous prime is 15142403. The next prime is 15142433. The reversal of 15142429 is 92424151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7689529 + 7452900 = 2773^2 + 2730^2 .

It is a cyclic number.

It is not a de Polignac number, because 15142429 - 2¹¹ = 15140381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15142397 and 15142406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15142499) 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 as a sum of consecutive naturals, namely, 7571214 + 7571215.

It is an arithmetic number, because the mean of its divisors is an integer number (7571215).

Almost surely, 2^15142429 is an apocalyptic number.

It is an amenable number.

15142429 is a deficient number, since it is larger than the sum of its proper divisors (1).

15142429 is an equidigital number, since it uses as much as digits as its factorization.

15142429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 15142429 is about 3891.3274084816. The cubic root of 15142429 is about 247.3993278284.

The spelling of 15142429 in words is "fifteen million, one hundred forty-two thousand, four hundred twenty-nine".