142233570 has 80 divisors (see below), whose sum is σ = 386943480. Its totient is φ = 37483776.

The previous prime is 142233569. The next prime is 142233589. The reversal of 142233570 is 75332241.

It can be written as a sum of positive squares in 4 ways, for example, as 71723961 + 70509609 = 8469^2 + 8397^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 71104 + ... + 73076.

Almost surely, 2^142233570 is an apocalyptic number.

142233570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142233570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193471740).

142233570 is an abundant number, since it is smaller than the sum of its proper divisors (244709910).

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

142233570 is a wasteful number, since it uses less digits than its factorization.

142233570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081 (or 2072 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 142233570 is about 11926.1716405559. The cubic root of 142233570 is about 521.9962346141.

The spelling of 142233570 in words is "one hundred forty-two million, two hundred thirty-three thousand, five hundred seventy".