1245144332 has 6 divisors (see below), whose sum is σ = 2179002588. Its totient is φ = 622572164.

The previous prime is 1245144331. The next prime is 1245144349. The reversal of 1245144332 is 2334415421.

It is a junction number, because it is equal to n+sod(n) for n = 1245144295 and 1245144304.

It is not an unprimeable number, because it can be changed into a prime (1245144331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155643038 + ... + 155643045.

It is an arithmetic number, because the mean of its divisors is an integer number (363167098).

Almost surely, 2^1245144332 is an apocalyptic number.

It is an amenable number.

1245144332 is a deficient number, since it is larger than the sum of its proper divisors (933858256).

1245144332 is a wasteful number, since it uses less digits than its factorization.

1245144332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311286087 (or 311286085 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 1245144332 is about 35286.6027268140. The cubic root of 1245144332 is about 1075.8207057430.

Adding to 1245144332 its reverse (2334415421), we get a palindrome (3579559753).

The spelling of 1245144332 in words is "one billion, two hundred forty-five million, one hundred forty-four thousand, three hundred thirty-two".