142842469 has 8 divisors (see below), whose sum is σ = 178089408. Its totient is φ = 111305760.

The previous prime is 142842463. The next prime is 142842499. The reversal of 142842469 is 964248241.

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 142842469 - 2¹¹ = 142840421 is a prime.

It is a super-2 number, since 2×142842469² = 40807941900031922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142842463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927472 + ... + 927625.

It is an arithmetic number, because the mean of its divisors is an integer number (22261176).

Almost surely, 2^142842469 is an apocalyptic number.

It is an amenable number.

142842469 is a deficient number, since it is larger than the sum of its proper divisors (35246939).

142842469 is a wasteful number, since it uses less digits than its factorization.

142842469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855115.

The product of its digits is 110592, while the sum is 40.

The square root of 142842469 is about 11951.6722260946. The cubic root of 142842469 is about 522.7400592521.

The spelling of 142842469 in words is "one hundred forty-two million, eight hundred forty-two thousand, four hundred sixty-nine".