142089748 has 6 divisors (see below), whose sum is σ = 248657066. Its totient is φ = 71044872.

The previous prime is 142089737. The next prime is 142089749. The reversal of 142089748 is 847980241.

It can be written as a sum of positive squares in only one way, i.e., 139523344 + 2566404 = 11812^2 + 1602^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142089749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17761215 + ... + 17761222.

Almost surely, 2^142089748 is an apocalyptic number.

It is an amenable number.

142089748 is a deficient number, since it is larger than the sum of its proper divisors (106567318).

142089748 is a wasteful number, since it uses less digits than its factorization.

142089748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35522441 (or 35522439 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 142089748 is about 11920.1404354143. The cubic root of 142089748 is about 521.8202333579.

The spelling of 142089748 in words is "one hundred forty-two million, eighty-nine thousand, seven hundred forty-eight".