142071733 has 4 divisors (see below), whose sum is σ = 142117740. Its totient is φ = 142025728.

The previous prime is 142071731. The next prime is 142071757. The reversal of 142071733 is 337170241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 69105969 + 72965764 = 8313^2 + 8542^2 .

It is a cyclic number.

It is not a de Polignac number, because 142071733 - 2¹ = 142071731 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142071731) 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, 18010 + ... + 24667.

It is an arithmetic number, because the mean of its divisors is an integer number (35529435).

Almost surely, 2^142071733 is an apocalyptic number.

It is an amenable number.

142071733 is a deficient number, since it is larger than the sum of its proper divisors (46007).

142071733 is an equidigital number, since it uses as much as digits as its factorization.

142071733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46006.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 142071733 is about 11919.3847576123. The cubic root of 142071733 is about 521.7981792478.

It can be divided in two parts, 1420 and 71733, that added together give a triangular number (73153 = T₃₈₂).

The spelling of 142071733 in words is "one hundred forty-two million, seventy-one thousand, seven hundred thirty-three".