1146265385 has 4 divisors (see below), whose sum is σ = 1375518468. Its totient is φ = 917012304.

The previous prime is 1146265381. The next prime is 1146265387. The reversal of 1146265385 is 5835626411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 534395689 + 611869696 = 23117^2 + 24736^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146265385 - 2² = 1146265381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146265381) 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, 114626534 + ... + 114626543.

It is an arithmetic number, because the mean of its divisors is an integer number (343879617).

Almost surely, 2^1146265385 is an apocalyptic number.

It is an amenable number.

1146265385 is a deficient number, since it is larger than the sum of its proper divisors (229253083).

1146265385 is an equidigital number, since it uses as much as digits as its factorization.

1146265385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229253082.

The product of its digits is 172800, while the sum is 41.

The square root of 1146265385 is about 33856.5412439015. The cubic root of 1146265385 is about 1046.5542023648.

The spelling of 1146265385 in words is "one billion, one hundred forty-six million, two hundred sixty-five thousand, three hundred eighty-five".