142464485 has 4 divisors (see below), whose sum is σ = 170957388. Its totient is φ = 113971584.

The previous prime is 142464449. The next prime is 142464493. The reversal of 142464485 is 584464241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584464241 = 61 ⋅9581381.

It can be written as a sum of positive squares in 2 ways, for example, as 36312676 + 106151809 = 6026^2 + 10303^2 .

It is a cyclic number.

It is not a de Polignac number, because 142464485 - 2⁸ = 142464229 is a prime.

It is a super-2 number, since 2×142464485² = 40592258972630450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14246444 + ... + 14246453.

It is an arithmetic number, because the mean of its divisors is an integer number (42739347).

Almost surely, 2^142464485 is an apocalyptic number.

It is an amenable number.

142464485 is a deficient number, since it is larger than the sum of its proper divisors (28492903).

142464485 is an equidigital number, since it uses as much as digits as its factorization.

142464485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28492902.

The product of its digits is 122880, while the sum is 38.

The square root of 142464485 is about 11935.8487339611. The cubic root of 142464485 is about 522.2785673741.

The spelling of 142464485 in words is "one hundred forty-two million, four hundred sixty-four thousand, four hundred eighty-five".