142151284 has 18 divisors (see below), whose sum is σ = 273436562. Its totient is φ = 64614000.

The previous prime is 142151231. The next prime is 142151309. The reversal of 142151284 is 482151241.

It can be written as a sum of positive squares in only one way, i.e., 87834384 + 54316900 = 9372^2 + 7370^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 146367 + ... + 147334.

Almost surely, 2^142151284 is an apocalyptic number.

It is an amenable number.

142151284 is a deficient number, since it is larger than the sum of its proper divisors (131285278).

142151284 is a wasteful number, since it uses less digits than its factorization.

142151284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293727 (or 293714 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

The square root of 142151284 is about 11922.7213336553. The cubic root of 142151284 is about 521.8955521757.

The spelling of 142151284 in words is "one hundred forty-two million, one hundred fifty-one thousand, two hundred eighty-four".