142444052 has 6 divisors (see below), whose sum is σ = 249277098. Its totient is φ = 71222024.

The previous prime is 142444051. The next prime is 142444069. The reversal of 142444052 is 250444241.

142444052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 140090896 + 2353156 = 11836^2 + 1534^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142444051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17805503 + ... + 17805510.

It is an arithmetic number, because the mean of its divisors is an integer number (41546183).

Almost surely, 2^142444052 is an apocalyptic number.

It is an amenable number.

142444052 is a deficient number, since it is larger than the sum of its proper divisors (106833046).

142444052 is a wasteful number, since it uses less digits than its factorization.

142444052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35611017 (or 35611015 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 142444052 is about 11934.9927524067. The cubic root of 142444052 is about 522.2535968743.

Adding to 142444052 its reverse (250444241), we get a palindrome (392888293).

The spelling of 142444052 in words is "one hundred forty-two million, four hundred forty-four thousand, fifty-two".