1145345234 has 8 divisors (see below), whose sum is σ = 1874201328. Its totient is φ = 520611460.

The previous prime is 1145345231. The next prime is 1145345261. The reversal of 1145345234 is 4325435411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1145345234.

It is not an unprimeable number, because it can be changed into a prime (1145345231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26030552 + ... + 26030595.

It is an arithmetic number, because the mean of its divisors is an integer number (234275166).

Almost surely, 2^1145345234 is an apocalyptic number.

1145345234 is a deficient number, since it is larger than the sum of its proper divisors (728856094).

1145345234 is a wasteful number, since it uses less digits than its factorization.

1145345234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52061160.

The product of its digits is 28800, while the sum is 32.

The square root of 1145345234 is about 33842.9495463974. The cubic root of 1145345234 is about 1046.2740910575.

The spelling of 1145345234 in words is "one billion, one hundred forty-five million, three hundred forty-five thousand, two hundred thirty-four".