142033398 has 64 divisors (see below), whose sum is σ = 324172800. Its totient is φ = 41126400.

The previous prime is 142033373. The next prime is 142033439. The reversal of 142033398 is 893330241.

It is a happy number.

It is a super-2 number, since 2×142033398² = 40346972294852808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 353998 + ... + 354398.

It is an arithmetic number, because the mean of its divisors is an integer number (5065200).

Almost surely, 2^142033398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142033398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162086400).

142033398 is an abundant number, since it is smaller than the sum of its proper divisors (182139402).

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

142033398 is a wasteful number, since it uses less digits than its factorization.

142033398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 142033398 is about 11917.7765543746. The cubic root of 142033398 is about 521.7512430225.

The spelling of 142033398 in words is "one hundred forty-two million, thirty-three thousand, three hundred ninety-eight".