143050051261 has 16 divisors (see below), whose sum is σ = 154542750768. Its totient is φ = 131627865600.

The previous prime is 143050051259. The next prime is 143050051343. The reversal of 143050051261 is 162150050341.

It can be written as a sum of positive squares in 8 ways, for example, as 41572763236 + 101477288025 = 203894^2 + 318555^2 .

It is a cyclic number.

It is not a de Polignac number, because 143050051261 - 2¹ = 143050051259 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 (143050051961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5288391 + ... + 5315371.

It is an arithmetic number, because the mean of its divisors is an integer number (9658921923).

Almost surely, 2^143050051261 is an apocalyptic number.

It is an amenable number.

143050051261 is a deficient number, since it is larger than the sum of its proper divisors (11492699507).

143050051261 is a wasteful number, since it uses less digits than its factorization.

143050051261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28272.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 143050051261 in words is "one hundred forty-three billion, fifty million, fifty-one thousand, two hundred sixty-one".