142412481 has 24 divisors (see below), whose sum is σ = 221584896. Its totient is φ = 87880320.

The previous prime is 142412461. The next prime is 142412497. The reversal of 142412481 is 184214241.

142412481 is a `hidden beast` number, since 142 + 41 + 2 + 481 = 666.

It is not a de Polignac number, because 142412481 - 2⁵ = 142412449 is a prime.

It is a super-2 number, since 2×142412481² = 40562629489150722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142412441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4680 + ... + 17513.

It is an arithmetic number, because the mean of its divisors is an integer number (9232704).

Almost surely, 2^142412481 is an apocalyptic number.

It is an amenable number.

142412481 is a deficient number, since it is larger than the sum of its proper divisors (79172415).

142412481 is a wasteful number, since it uses less digits than its factorization.

142412481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22253 (or 22250 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 142412481 is about 11933.6700557708. The cubic root of 142412481 is about 522.2150102939.

The spelling of 142412481 in words is "one hundred forty-two million, four hundred twelve thousand, four hundred eighty-one".