142030615 has 4 divisors (see below), whose sum is σ = 170436744. Its totient is φ = 113624488.

The previous prime is 142030517. The next prime is 142030621. The reversal of 142030615 is 516030241.

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 142030615 - 2¹¹ = 142028567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14203057 + ... + 14203066.

It is an arithmetic number, because the mean of its divisors is an integer number (42609186).

Almost surely, 2^142030615 is an apocalyptic number.

142030615 is a deficient number, since it is larger than the sum of its proper divisors (28406129).

142030615 is an equidigital number, since it uses as much as digits as its factorization.

142030615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28406128.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 142030615 is about 11917.6597954464. The cubic root of 142030615 is about 521.7478352719.

Adding to 142030615 its reverse (516030241), we get a palindrome (658060856).

The spelling of 142030615 in words is "one hundred forty-two million, thirty thousand, six hundred fifteen".