612230143 has 8 divisors (see below), whose sum is σ = 700037280. Its totient is φ = 524509440.

The previous prime is 612230137. The next prime is 612230149. The reversal of 612230143 is 341032216.

It is an interprime number because it is at equal distance from previous prime (612230137) and next prime (612230149).

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

It is a de Polignac number, because none of the positive numbers 2^k-612230143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612230149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5638 + ... + 35443.

It is an arithmetic number, because the mean of its divisors is an integer number (87504660).

Almost surely, 2^612230143 is an apocalyptic number.

612230143 is a deficient number, since it is larger than the sum of its proper divisors (87807137).

612230143 is a wasteful number, since it uses less digits than its factorization.

612230143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43217.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 612230143 is about 24743.2848061853. The cubic root of 612230143 is about 849.1248861908.

Adding to 612230143 its reverse (341032216), we get a palindrome (953262359).

The spelling of 612230143 in words is "six hundred twelve million, two hundred thirty thousand, one hundred forty-three".