612487143 has 8 divisors (see below), whose sum is σ = 907388400. Its totient is φ = 408324744.

The previous prime is 612487049. The next prime is 612487157. The reversal of 612487143 is 341784216.

It is not a de Polignac number, because 612487143 - 2²⁰ = 611438567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 612487098 and 612487107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612487193) 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, 11342328 + ... + 11342381.

It is an arithmetic number, because the mean of its divisors is an integer number (113423550).

Almost surely, 2^612487143 is an apocalyptic number.

612487143 is a deficient number, since it is larger than the sum of its proper divisors (294901257).

612487143 is a wasteful number, since it uses less digits than its factorization.

612487143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22684718 (or 22684712 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 612487143 is about 24748.4775895407. The cubic root of 612487143 is about 849.2436838739.

The spelling of 612487143 in words is "six hundred twelve million, four hundred eighty-seven thousand, one hundred forty-three".