142451298 has 40 divisors (see below), whose sum is σ = 348218640. Its totient is φ = 43166520.

The previous prime is 142451273. The next prime is 142451317. The reversal of 142451298 is 892154241.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 38188 + ... + 41751.

It is an arithmetic number, because the mean of its divisors is an integer number (8705466).

Almost surely, 2^142451298 is an apocalyptic number.

142451298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

142451298 is an abundant number, since it is smaller than the sum of its proper divisors (205767342).

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

142451298 is a wasteful number, since it uses less digits than its factorization.

142451298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79964 (or 79955 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 142451298 is about 11935.2963096858. The cubic root of 142451298 is about 522.2624522467.

The spelling of 142451298 in words is "one hundred forty-two million, four hundred fifty-one thousand, two hundred ninety-eight".