142261427 has 16 divisors (see below), whose sum is σ = 179366400. Its totient is φ = 109602240.

The previous prime is 142261421. The next prime is 142261439. The reversal of 142261427 is 724162241.

It is not a de Polignac number, because 142261427 - 2⁶ = 142261363 is a prime.

It is a super-2 number, since 2×142261427² = 40476627224152658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142261427.

It is not an unprimeable number, because it can be changed into a prime (142261421) 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, 3527 + ... + 17232.

It is an arithmetic number, because the mean of its divisors is an integer number (11210400).

Almost surely, 2^142261427 is an apocalyptic number.

142261427 is a deficient number, since it is larger than the sum of its proper divisors (37104973).

142261427 is a wasteful number, since it uses less digits than its factorization.

142261427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20866.

The product of its digits is 5376, while the sum is 29.

The square root of 142261427 is about 11927.3394770167. The cubic root of 142261427 is about 522.0303107231.

The spelling of 142261427 in words is "one hundred forty-two million, two hundred sixty-one thousand, four hundred twenty-seven".