143253047561 has 12 divisors (see below), whose sum is σ = 156626203968. Its totient is φ = 130949745264.

The previous prime is 143253047557. The next prime is 143253047563. The reversal of 143253047561 is 165740352341.

It is not a de Polignac number, because 143253047561 - 2² = 143253047557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143253047563) 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 11 ways as a sum of consecutive naturals, for example, 4097405 + ... + 4132218.

It is an arithmetic number, because the mean of its divisors is an integer number (13052183664).

Almost surely, 2^143253047561 is an apocalyptic number.

It is an amenable number.

143253047561 is a deficient number, since it is larger than the sum of its proper divisors (13373156407).

143253047561 is a wasteful number, since it uses less digits than its factorization.

143253047561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8229752 (or 8229739 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 143253047561 in words is "one hundred forty-three billion, two hundred fifty-three million, forty-seven thousand, five hundred sixty-one".