1145356250 has 48 divisors (see below), whose sum is σ = 2157471288. Its totient is φ = 456000000.

The previous prime is 1145356243. The next prime is 1145356253. The reversal of 1145356250 is 526535411.

It can be written as a sum of positive squares in 12 ways, for example, as 45306361 + 1100049889 = 6731^2 + 33167^2 .

It is not an unprimeable number, because it can be changed into a prime (1145356253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2506022 + ... + 2506478.

Almost surely, 2^1145356250 is an apocalyptic number.

1145356250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145356250 is a deficient number, since it is larger than the sum of its proper divisors (1012115038).

1145356250 is an frugal number, since it uses more digits than its factorization.

1145356250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 1145356250 is about 33843.1122977778. The cubic root of 1145356250 is about 1046.2774454226.

The spelling of 1145356250 in words is "one billion, one hundred forty-five million, three hundred fifty-six thousand, two hundred fifty".