142250328 has 96 divisors (see below), whose sum is σ = 422407440. Its totient is φ = 42888960.

The previous prime is 142250327. The next prime is 142250333. The reversal of 142250328 is 823052241.

It is a super-2 number, since 2×142250328² = 40470311632215168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142250327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 231750 + ... + 232362.

Almost surely, 2^142250328 is an apocalyptic number.

142250328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142250328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211203720).

142250328 is an abundant number, since it is smaller than the sum of its proper divisors (280157112).

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

142250328 is a wasteful number, since it uses less digits than its factorization.

142250328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 922 counting only the distinct ones).

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

The square root of 142250328 is about 11926.8741923439. The cubic root of 142250328 is about 522.0167343911.

The spelling of 142250328 in words is "one hundred forty-two million, two hundred fifty thousand, three hundred twenty-eight".