142467617 has 4 divisors (see below), whose sum is σ = 143079300. Its totient is φ = 141855936.

The previous prime is 142467613. The next prime is 142467631. The reversal of 142467617 is 716764241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53523856 + 88943761 = 7316^2 + 9431^2 .

It is a cyclic number.

It is not a de Polignac number, because 142467617 - 2² = 142467613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142467613) 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 3 ways as a sum of consecutive naturals, for example, 305492 + ... + 305957.

It is an arithmetic number, because the mean of its divisors is an integer number (35769825).

Almost surely, 2^142467617 is an apocalyptic number.

It is an amenable number.

142467617 is a deficient number, since it is larger than the sum of its proper divisors (611683).

142467617 is an equidigital number, since it uses as much as digits as its factorization.

142467617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611682.

The product of its digits is 56448, while the sum is 38.

The square root of 142467617 is about 11935.9799346346. The cubic root of 142467617 is about 522.2823946777.

The spelling of 142467617 in words is "one hundred forty-two million, four hundred sixty-seven thousand, six hundred seventeen".