143123615146461 has 16 divisors (see below), whose sum is σ = 195530252037120. Its totient is φ = 93067416526080.

The previous prime is 143123615146451. The next prime is 143123615146481. The reversal of 143123615146461 is 164641516321341.

It is a happy number.

It is not a de Polignac number, because 143123615146461 - 2¹³ = 143123615138269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143123615146461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143123615146451) 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, 131415805 + ... + 132500418.

It is an arithmetic number, because the mean of its divisors is an integer number (12220640752320).

Almost surely, 2^{143123615146461} is an apocalyptic number.

It is an amenable number.

143123615146461 is a deficient number, since it is larger than the sum of its proper divisors (52406636890659).

143123615146461 is a wasteful number, since it uses less digits than its factorization.

143123615146461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263920676.

The product of its digits is 1244160, while the sum is 48.

The spelling of 143123615146461 in words is "one hundred forty-three trillion, one hundred twenty-three billion, six hundred fifteen million, one hundred forty-six thousand, four hundred sixty-one".