142461517 has 16 divisors (see below), whose sum is σ = 163376640. Its totient is φ = 122958000.

The previous prime is 142461481. The next prime is 142461533. The reversal of 142461517 is 715164241.

It is not a de Polignac number, because 142461517 - 2¹⁵ = 142428749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142461017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33142 + ... + 37192.

It is an arithmetic number, because the mean of its divisors is an integer number (10211040).

Almost surely, 2^142461517 is an apocalyptic number.

It is an amenable number.

142461517 is a deficient number, since it is larger than the sum of its proper divisors (20915123).

142461517 is a wasteful number, since it uses less digits than its factorization.

142461517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224.

The product of its digits is 6720, while the sum is 31.

The square root of 142461517 is about 11935.7244019791. The cubic root of 142461517 is about 522.2749404268.

The spelling of 142461517 in words is "one hundred forty-two million, four hundred sixty-one thousand, five hundred seventeen".