142459398 has 40 divisors (see below), whose sum is σ = 327855792. Its totient is φ = 46201104.

The previous prime is 142459391. The next prime is 142459399. The reversal of 142459398 is 893954241.

142459398 is a `hidden beast` number, since 14 + 245 + 9 + 398 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142459391) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5890 + ... + 17877.

Almost surely, 2^142459398 is an apocalyptic number.

142459398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

142459398 is an abundant number, since it is smaller than the sum of its proper divisors (185396394).

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

142459398 is a wasteful number, since it uses less digits than its factorization.

142459398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23818 (or 23809 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 142459398 is about 11935.6356345190. The cubic root of 142459398 is about 522.2723509413.

The spelling of 142459398 in words is "one hundred forty-two million, four hundred fifty-nine thousand, three hundred ninety-eight".