1609342142 has 8 divisors (see below), whose sum is σ = 2541066600. Its totient is φ = 762319944.

The previous prime is 1609342117. The next prime is 1609342157. The reversal of 1609342142 is 2412439061.

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

It is a junction number, because it is equal to n+sod(n) for n = 1609342099 and 1609342108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21175517 + ... + 21175592.

It is an arithmetic number, because the mean of its divisors is an integer number (317633325).

Almost surely, 2^1609342142 is an apocalyptic number.

1609342142 is a deficient number, since it is larger than the sum of its proper divisors (931724458).

1609342142 is a wasteful number, since it uses less digits than its factorization.

1609342142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42351130.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1609342142 is about 40116.6068106464. The cubic root of 1609342142 is about 1171.8790615345.

The spelling of 1609342142 in words is "one billion, six hundred nine million, three hundred forty-two thousand, one hundred forty-two".