142461667 has 2 divisors, whose sum is σ = 142461668. Its totient is φ = 142461666.

The previous prime is 142461589. The next prime is 142461673. The reversal of 142461667 is 766164241.

It is a strong prime.

It is an emirp because it is prime and its reverse (766164241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142461667 - 2¹¹ = 142459619 is a prime.

It is not a weakly prime, because it can be changed into another prime (142461167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71230833 + 71230834.

It is an arithmetic number, because the mean of its divisors is an integer number (71230834).

Almost surely, 2^142461667 is an apocalyptic number.

142461667 is a deficient number, since it is larger than the sum of its proper divisors (1).

142461667 is an equidigital number, since it uses as much as digits as its factorization.

142461667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 142461667 is about 11935.7306856346. The cubic root of 142461667 is about 522.2751237306.

The spelling of 142461667 in words is "one hundred forty-two million, four hundred sixty-one thousand, six hundred sixty-seven".