142774333 has 8 divisors (see below), whose sum is σ = 154791000. Its totient is φ = 130905408.

The previous prime is 142774321. The next prime is 142774339. The reversal of 142774333 is 333477241.

It can be written as a sum of positive squares in 4 ways, for example, as 16144324 + 126630009 = 4018^2 + 11253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142774333 - 2⁹ = 142773821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142774339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34918 + ... + 38791.

It is an arithmetic number, because the mean of its divisors is an integer number (19348875).

Almost surely, 2^142774333 is an apocalyptic number.

142774333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142774333 is a deficient number, since it is larger than the sum of its proper divisors (12016667).

142774333 is a wasteful number, since it uses less digits than its factorization.

142774333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73871.

The product of its digits is 42336, while the sum is 34.

The square root of 142774333 is about 11948.8214063145. The cubic root of 142774333 is about 522.6569301902.

The spelling of 142774333 in words is "one hundred forty-two million, seven hundred seventy-four thousand, three hundred thirty-three".