1145894628 has 24 divisors (see below), whose sum is σ = 2687332032. Its totient is φ = 380025184.

The previous prime is 1145894627. The next prime is 1145894641. The reversal of 1145894628 is 8264985411.

It is not an unprimeable number, because it can be changed into a prime (1145894623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240000 + ... + 244727.

It is an arithmetic number, because the mean of its divisors is an integer number (111972168).

Almost surely, 2^1145894628 is an apocalyptic number.

It is an amenable number.

1145894628 is an abundant number, since it is smaller than the sum of its proper divisors (1541437404).

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

1145894628 is a wasteful number, since it uses less digits than its factorization.

1145894628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484931 (or 484929 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The square root of 1145894628 is about 33851.0653894379. The cubic root of 1145894628 is about 1046.4413549842.

The spelling of 1145894628 in words is "one billion, one hundred forty-five million, eight hundred ninety-four thousand, six hundred twenty-eight".