142053228 has 18 divisors (see below), whose sum is σ = 359079084. Its totient is φ = 47351064.

The previous prime is 142053203. The next prime is 142053239. The reversal of 142053228 is 822350241.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1972926 + ... + 1972997.

It is an arithmetic number, because the mean of its divisors is an integer number (19948838).

Almost surely, 2^142053228 is an apocalyptic number.

142053228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

142053228 is an abundant number, since it is smaller than the sum of its proper divisors (217025856).

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

142053228 is a wasteful number, since it uses less digits than its factorization.

142053228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945933 (or 3945928 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 142053228 is about 11918.6084758247. The cubic root of 142053228 is about 521.7755233346.

The spelling of 142053228 in words is "one hundred forty-two million, fifty-three thousand, two hundred twenty-eight".