142306552 has 8 divisors (see below), whose sum is σ = 266824800. Its totient is φ = 71153272.

The previous prime is 142306529. The next prime is 142306559. The reversal of 142306552 is 255603241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 142306552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142306559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8894152 + ... + 8894167.

It is an arithmetic number, because the mean of its divisors is an integer number (33353100).

Almost surely, 2^142306552 is an apocalyptic number.

It is an amenable number.

142306552 is a deficient number, since it is larger than the sum of its proper divisors (124518248).

142306552 is a wasteful number, since it uses less digits than its factorization.

142306552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17788325 (or 17788321 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 142306552 is about 11929.2309894645. The cubic root of 142306552 is about 522.0855004959.

Adding to 142306552 its reverse (255603241), we get a palindrome (397909793).

The spelling of 142306552 in words is "one hundred forty-two million, three hundred six thousand, five hundred fifty-two".