142450038 has 24 divisors (see below), whose sum is σ = 326797848. Its totient is φ = 44690112.

The previous prime is 142449977. The next prime is 142450043. The reversal of 142450038 is 830054241.

It is a junction number, because it is equal to n+sod(n) for n = 142449993 and 142450020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232456 + ... + 233067.

It is an arithmetic number, because the mean of its divisors is an integer number (13616577).

Almost surely, 2^142450038 is an apocalyptic number.

142450038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

142450038 is an abundant number, since it is smaller than the sum of its proper divisors (184347810).

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

142450038 is a wasteful number, since it uses less digits than its factorization.

142450038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465548 (or 465545 counting only the distinct ones).

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

The square root of 142450038 is about 11935.2435249558. The cubic root of 142450038 is about 522.2609124161.

The spelling of 142450038 in words is "one hundred forty-two million, four hundred fifty thousand, thirty-eight".