142198593 has 16 divisors (see below), whose sum is σ = 192427200. Its totient is φ = 93392640.

The previous prime is 142198583. The next prime is 142198633. The reversal of 142198593 is 395891241.

It is not a de Polignac number, because 142198593 - 2¹³ = 142190401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142198543) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 87573 + ... + 89181.

It is an arithmetic number, because the mean of its divisors is an integer number (12026700).

Almost surely, 2^142198593 is an apocalyptic number.

It is an amenable number.

142198593 is a deficient number, since it is larger than the sum of its proper divisors (50228607).

142198593 is a wasteful number, since it uses less digits than its factorization.

142198593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032.

The product of its digits is 77760, while the sum is 42.

The square root of 142198593 is about 11924.7051535877. The cubic root of 142198593 is about 521.9534426555.

The spelling of 142198593 in words is "one hundred forty-two million, one hundred ninety-eight thousand, five hundred ninety-three".