146431093661 has 8 divisors (see below), whose sum is σ = 147792816600. Its totient is φ = 145069704000.

The previous prime is 146431093651. The next prime is 146431093663. The reversal of 146431093661 is 166390134641.

It can be written as a sum of positive squares in 4 ways, for example, as 27161017636 + 119270076025 = 164806^2 + 345355^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 146431093661 - 2¹⁰ = 146431092637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146431093663) 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, 847595 + ... + 1005623.

It is an arithmetic number, because the mean of its divisors is an integer number (18474102075).

Almost surely, 2^146431093661 is an apocalyptic number.

It is an amenable number.

146431093661 is a deficient number, since it is larger than the sum of its proper divisors (1361722939).

146431093661 is a wasteful number, since it uses less digits than its factorization.

146431093661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166639.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 146431093661 in words is "one hundred forty-six billion, four hundred thirty-one million, ninety-three thousand, six hundred sixty-one".