100143046 has 4 divisors (see below), whose sum is σ = 150214572. Its totient is φ = 50071522.

The previous prime is 100143031. The next prime is 100143059. The reversal of 100143046 is 640341001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 640341001 = 757 ⋅845893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25035760 + ... + 25035763.

It is an arithmetic number, because the mean of its divisors is an integer number (37553643).

Almost surely, 2^100143046 is an apocalyptic number.

100143046 is a deficient number, since it is larger than the sum of its proper divisors (50071526).

100143046 is an equidigital number, since it uses as much as digits as its factorization.

100143046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50071525.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 100143046 is about 10007.1497440580. The cubic root of 100143046 is about 464.3800981539.

Adding to 100143046 its reverse (640341001), we get a palindrome (740484047).

The spelling of 100143046 in words is "one hundred million, one hundred forty-three thousand, forty-six".