142215027 has 4 divisors (see below), whose sum is σ = 189620040. Its totient is φ = 94810016.

The previous prime is 142215001. The next prime is 142215037. The reversal of 142215027 is 720512241.

142215027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142215027 - 2¹² = 142210931 is a prime.

It is a super-2 number, since 2×142215027² = 40450227809221458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142214988 and 142215006.

It is not an unprimeable number, because it can be changed into a prime (142215037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23702502 + ... + 23702507.

It is an arithmetic number, because the mean of its divisors is an integer number (47405010).

Almost surely, 2^142215027 is an apocalyptic number.

142215027 is a deficient number, since it is larger than the sum of its proper divisors (47405013).

142215027 is an equidigital number, since it uses as much as digits as its factorization.

142215027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47405012.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 142215027 is about 11925.3942073208. The cubic root of 142215027 is about 521.9735494003.

Adding to 142215027 its reverse (720512241), we get a palindrome (862727268).

The spelling of 142215027 in words is "one hundred forty-two million, two hundred fifteen thousand, twenty-seven".