1542472429 has 2 divisors, whose sum is σ = 1542472430. Its totient is φ = 1542472428.

The previous prime is 1542472417. The next prime is 1542472453. The reversal of 1542472429 is 9242742451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1467043204 + 75429225 = 38302^2 + 8685^2 .

It is a cyclic number.

It is not a de Polignac number, because 1542472429 - 2¹¹ = 1542470381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1542472391 and 1542472400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542472489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771236214 + 771236215.

It is an arithmetic number, because the mean of its divisors is an integer number (771236215).

Almost surely, 2^1542472429 is an apocalyptic number.

It is an amenable number.

1542472429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542472429 is an equidigital number, since it uses as much as digits as its factorization.

1542472429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 40.

The square root of 1542472429 is about 39274.3227694635. The cubic root of 1542472429 is about 1155.4180202644.

The spelling of 1542472429 in words is "one billion, five hundred forty-two million, four hundred seventy-two thousand, four hundred twenty-nine".