1145346272 has 48 divisors (see below), whose sum is σ = 2689085952. Its totient is φ = 469518720.

The previous prime is 1145346269. The next prime is 1145346281. The reversal of 1145346272 is 2726435411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106004 + ... + 116307.

It is an arithmetic number, because the mean of its divisors is an integer number (56022624).

Almost surely, 2^1145346272 is an apocalyptic number.

It is an amenable number.

1145346272 is an abundant number, since it is smaller than the sum of its proper divisors (1543739680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145346272 is a wasteful number, since it uses less digits than its factorization.

1145346272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222351 (or 222343 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 1145346272 is about 33842.9648819367. The cubic root of 1145346272 is about 1046.2744071287.

The spelling of 1145346272 in words is "one billion, one hundred forty-five million, three hundred forty-six thousand, two hundred seventy-two".