1145225411 has 4 divisors (see below), whose sum is σ = 1249336824. Its totient is φ = 1041114000.

The previous prime is 1145225381. The next prime is 1145225413.

It is a happy number.

1145225411 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 1145225411 - 2¹⁰ = 1145224387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145225413) 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, 52055690 + ... + 52055711.

It is an arithmetic number, because the mean of its divisors is an integer number (312334206).

Almost surely, 2^1145225411 is an apocalyptic number.

1145225411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1145225411 is a deficient number, since it is larger than the sum of its proper divisors (104111413).

1145225411 is a wasteful number, since it uses less digits than its factorization.

1145225411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104111412.

The product of its digits is 1600, while the sum is 26.

The square root of 1145225411 is about 33841.1792199976. The cubic root of 1145225411 is about 1046.2376036390.

It can be divided in two parts, 11452 and 25411, that added together give a palindrome (36863).

The spelling of 1145225411 in words is "one billion, one hundred forty-five million, two hundred twenty-five thousand, four hundred eleven".