142115527 has 2 divisors, whose sum is σ = 142115528. Its totient is φ = 142115526.

The previous prime is 142115513. The next prime is 142115539. The reversal of 142115527 is 725511241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142115527 - 2¹⁹ = 141591239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142115495 and 142115504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142115507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71057763 + 71057764.

It is an arithmetic number, because the mean of its divisors is an integer number (71057764).

Almost surely, 2^142115527 is an apocalyptic number.

142115527 is a deficient number, since it is larger than the sum of its proper divisors (1).

142115527 is an equidigital number, since it uses as much as digits as its factorization.

142115527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2800, while the sum is 28.

The square root of 142115527 is about 11921.2217075265. The cubic root of 142115527 is about 521.8517889781.

Adding to 142115527 its reverse (725511241), we get a palindrome (867626768).

The spelling of 142115527 in words is "one hundred forty-two million, one hundred fifteen thousand, five hundred twenty-seven".