1145222429 has 16 divisors (see below), whose sum is σ = 1277821440. Its totient is φ = 1019234880.

The previous prime is 1145222411. The next prime is 1145222497. The reversal of 1145222429 is 9242225411.

It is a cyclic number.

It is not a de Polignac number, because 1145222429 - 2⁸ = 1145222173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1145222395 and 1145222404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145222129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106502 + ... + 116760.

It is an arithmetic number, because the mean of its divisors is an integer number (79863840).

Almost surely, 2^1145222429 is an apocalyptic number.

It is an amenable number.

1145222429 is a deficient number, since it is larger than the sum of its proper divisors (132599011).

1145222429 is a wasteful number, since it uses less digits than its factorization.

1145222429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10580.

The product of its digits is 11520, while the sum is 32.

The square root of 1145222429 is about 33841.1351612206. The cubic root of 1145222429 is about 1046.2366955548.

The spelling of 1145222429 in words is "one billion, one hundred forty-five million, two hundred twenty-two thousand, four hundred twenty-nine".