100142254 has 8 divisors (see below), whose sum is σ = 153877248. Its totient is φ = 48849840.

The previous prime is 100142233. The next prime is 100142267. The reversal of 100142254 is 452241001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610542 + ... + 610705.

It is an arithmetic number, because the mean of its divisors is an integer number (19234656).

Almost surely, 2^100142254 is an apocalyptic number.

100142254 is a deficient number, since it is larger than the sum of its proper divisors (53734994).

100142254 is a wasteful number, since it uses less digits than its factorization.

100142254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221290.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 100142254 is about 10007.1101722725. The cubic root of 100142254 is about 464.3788739384.

Adding to 100142254 its reverse (452241001), we get a palindrome (552383255).

The spelling of 100142254 in words is "one hundred million, one hundred forty-two thousand, two hundred fifty-four".