142332552 has 40 divisors (see below), whose sum is σ = 398664750. Its totient is φ = 47443968.

The previous prime is 142332539. The next prime is 142332557. The reversal of 142332552 is 255233241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 78747876 + 63584676 = 8874^2 + 7974^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (142332557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 109177 + ... + 110472.

Almost surely, 2^142332552 is an apocalyptic number.

142332552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142332552 is an abundant number, since it is smaller than the sum of its proper divisors (256332198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142332552 is a wasteful number, since it uses less digits than its factorization.

142332552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219667 (or 219654 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 142332552 is about 11930.3206997968. The cubic root of 142332552 is about 522.1172942918.

Adding to 142332552 its reverse (255233241), we get a palindrome (397565793).

It can be divided in two parts, 142332 and 552, that added together give a square (142884 = 378²).

The spelling of 142332552 in words is "one hundred forty-two million, three hundred thirty-two thousand, five hundred fifty-two".