1145226323252 has 24 divisors (see below), whose sum is σ = 2232859063680. Its totient is φ = 509481728960.

The previous prime is 1145226323249. The next prime is 1145226323261. The reversal of 1145226323252 is 2523236225411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276890177 + ... + 276894312.

It is an arithmetic number, because the mean of its divisors is an integer number (93035794320).

Almost surely, 2^{1145226323252} is an apocalyptic number.

It is an amenable number.

1145226323252 is a deficient number, since it is larger than the sum of its proper divisors (1087632740428).

1145226323252 is a wasteful number, since it uses less digits than its factorization.

1145226323252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553784551 (or 553784549 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The spelling of 1145226323252 in words is "one trillion, one hundred forty-five billion, two hundred twenty-six million, three hundred twenty-three thousand, two hundred fifty-two".