655143047 has 8 divisors (see below), whose sum is σ = 742672560. Its totient is φ = 572918400.

The previous prime is 655143037. The next prime is 655143061. The reversal of 655143047 is 740341556.

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

It is not a de Polignac number, because 655143047 - 2¹² = 655138951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 655142998 and 655143016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655143037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325954 + ... + 1326447.

It is an arithmetic number, because the mean of its divisors is an integer number (92834070).

Almost surely, 2^655143047 is an apocalyptic number.

655143047 is a deficient number, since it is larger than the sum of its proper divisors (87529513).

655143047 is a wasteful number, since it uses less digits than its factorization.

655143047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652433.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 655143047 is about 25595.7622859723. The cubic root of 655143047 is about 868.5177769521.

The spelling of 655143047 in words is "six hundred fifty-five million, one hundred forty-three thousand, forty-seven".