142047711 has 36 divisors (see below), whose sum is σ = 225966936. Its totient is φ = 85924800.

The previous prime is 142047709. The next prime is 142047721. The reversal of 142047711 is 117740241.

It is not a de Polignac number, because 142047711 - 2¹ = 142047709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142047721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 92016 + ... + 93546.

Almost surely, 2^142047711 is an apocalyptic number.

142047711 is a deficient number, since it is larger than the sum of its proper divisors (83919225).

142047711 is a wasteful number, since it uses less digits than its factorization.

142047711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 142047711 is about 11918.3770287737. The cubic root of 142047711 is about 521.7687684187.

Adding to 142047711 its reverse (117740241), we get a palindrome (259787952).

The spelling of 142047711 in words is "one hundred forty-two million, forty-seven thousand, seven hundred eleven".