1141145225 has 24 divisors (see below), whose sum is σ = 1624910880. Its totient is φ = 786240000.

The previous prime is 1141145221. The next prime is 1141145261. The reversal of 1141145225 is 5225411411.

It is a happy number.

It is not a de Polignac number, because 1141145225 - 2² = 1141145221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1141145194 and 1141145203.

It is not an unprimeable number, because it can be changed into a prime (1141145221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103976 + ... + 114425.

It is an arithmetic number, because the mean of its divisors is an integer number (67704620).

Almost surely, 2^1141145225 is an apocalyptic number.

It is an amenable number.

1141145225 is a deficient number, since it is larger than the sum of its proper divisors (483765655).

1141145225 is a wasteful number, since it uses less digits than its factorization.

1141145225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218441 (or 218436 counting only the distinct ones).

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

The square root of 1141145225 is about 33780.8410937324. The cubic root of 1141145225 is about 1044.9936203757.

Adding to 1141145225 its reverse (5225411411), we get a palindrome (6366556636).

The spelling of 1141145225 in words is "one billion, one hundred forty-one million, one hundred forty-five thousand, two hundred twenty-five".