142306532 has 12 divisors (see below), whose sum is σ = 250829040. Its totient is φ = 70641096.

The previous prime is 142306529. The next prime is 142306559. The reversal of 142306532 is 235603241.

It is a super-2 number, since 2×142306532² = 40502298099734048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127418 + ... + 128529.

It is an arithmetic number, because the mean of its divisors is an integer number (20902420).

Almost surely, 2^142306532 is an apocalyptic number.

It is an amenable number.

142306532 is a deficient number, since it is larger than the sum of its proper divisors (108522508).

142306532 is a wasteful number, since it uses less digits than its factorization.

142306532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256090 (or 256088 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 142306532 is about 11929.2301511875. The cubic root of 142306532 is about 522.0854760377.

Adding to 142306532 its reverse (235603241), we get a palindrome (377909773).

The spelling of 142306532 in words is "one hundred forty-two million, three hundred six thousand, five hundred thirty-two".