142682481 has 12 divisors (see below), whose sum is σ = 207237940. Its totient is φ = 94595040.

The previous prime is 142682447. The next prime is 142682537. The reversal of 142682481 is 184286241.

It can be written as a sum of positive squares in 2 ways, for example, as 14630625 + 128051856 = 3825^2 + 11316^2 .

It is not a de Polignac number, because 142682481 - 2¹⁵ = 142649713 is a prime.

It is a super-2 number, since 2×142682481² = 40716580768630722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142682401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42166 + ... + 45423.

Almost surely, 2^142682481 is an apocalyptic number.

It is an amenable number.

142682481 is a deficient number, since it is larger than the sum of its proper divisors (64555459).

142682481 is a wasteful number, since it uses less digits than its factorization.

142682481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87776 (or 87773 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 142682481 is about 11944.9772289444. The cubic root of 142682481 is about 522.5448246458.

The spelling of 142682481 in words is "one hundred forty-two million, six hundred eighty-two thousand, four hundred eighty-one".