146561104621 has 8 divisors (see below), whose sum is σ = 149051944800. Its totient is φ = 144070489680.

The previous prime is 146561104589. The next prime is 146561104687. The reversal of 146561104621 is 126401165641.

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 146561104621 - 2⁵ = 146561104589 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 (146561102621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1736991 + ... + 1819411.

It is an arithmetic number, because the mean of its divisors is an integer number (18631493100).

Almost surely, 2^146561104621 is an apocalyptic number.

It is an amenable number.

146561104621 is a deficient number, since it is larger than the sum of its proper divisors (2490840179).

146561104621 is an equidigital number, since it uses as much as digits as its factorization.

146561104621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112619.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 146561104621 in words is "one hundred forty-six billion, five hundred sixty-one million, one hundred four thousand, six hundred twenty-one".