142062561 has 27 divisors (see below), whose sum is σ = 214083961. Its totient is φ = 90775104.

The previous prime is 142062533. The next prime is 142062589. The reversal of 142062561 is 165260241.

The square root of 142062561 is 11919.

It is a perfect power (a square), and thus also a powerful number.

142062561 is a `hidden beast` number, since 1 + 42 + 0 + 62 + 561 = 666.

It is an interprime number because it is at equal distance from previous prime (142062533) and next prime (142062589).

It can be written as a sum of positive squares in 4 ways, for example, as 1782225 + 140280336 = 1335^2 + 11844^2 .

It is not a de Polignac number, because 142062561 - 2⁷ = 142062433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142062061) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1036885 + ... + 1037021.

Almost surely, 2^142062561 is an apocalyptic number.

142062561 is the 11919-th square number.

142062561 is the 5960-th centered octagonal number.

It is an amenable number.

142062561 is a deficient number, since it is larger than the sum of its proper divisors (72021400).

142062561 is an equidigital number, since it uses as much as digits as its factorization.

142062561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The cubic root of 142062561 is about 521.7869500943.

The spelling of 142062561 in words is "one hundred forty-two million, sixty-two thousand, five hundred sixty-one".