1146738404231 has 4 divisors (see below), whose sum is σ = 1310558176272. Its totient is φ = 982918632192.

The previous prime is 1146738404221. The next prime is 1146738404297. The reversal of 1146738404231 is 1324048376411.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1146738404231 - 2¹⁸ = 1146738142087 is a prime.

It is a super-2 number, since 2×1146738404231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146738404221) 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, 81909886010 + ... + 81909886023.

It is an arithmetic number, because the mean of its divisors is an integer number (327639544068).

Almost surely, 2^{1146738404231} is an apocalyptic number.

1146738404231 is a deficient number, since it is larger than the sum of its proper divisors (163819772041).

1146738404231 is an equidigital number, since it uses as much as digits as its factorization.

1146738404231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163819772040.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 1146738404231 in words is "one trillion, one hundred forty-six billion, seven hundred thirty-eight million, four hundred four thousand, two hundred thirty-one".