146000812409 has 4 divisors (see below), whose sum is σ = 146001611904. Its totient is φ = 146000012916.

The previous prime is 146000812387. The next prime is 146000812421. The reversal of 146000812409 is 904218000641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146000812409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146000812469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23684 + ... + 540890.

It is an arithmetic number, because the mean of its divisors is an integer number (36500402976).

Almost surely, 2^146000812409 is an apocalyptic number.

It is an amenable number.

146000812409 is a deficient number, since it is larger than the sum of its proper divisors (799495).

146000812409 is an equidigital number, since it uses as much as digits as its factorization.

146000812409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799494.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 146000812409 in words is "one hundred forty-six billion, eight hundred twelve thousand, four hundred nine".