1145054250 has 48 divisors (see below), whose sum is σ = 3096232776. Its totient is φ = 305347200.

The previous prime is 1145054233. The next prime is 1145054257. The reversal of 1145054250 is 524505411.

1145054250 is a `hidden beast` number, since 114 + 5 + 0 + 542 + 5 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 532640241 + 612414009 = 23079^2 + 24747^2 .

It is a super-2 number, since 2×1145054250² = 2622298470886125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145054257) 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, 252207 + ... + 256706.

Almost surely, 2^1145054250 is an apocalyptic number.

1145054250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145054250 is an abundant number, since it is smaller than the sum of its proper divisors (1951178526).

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

1145054250 is a wasteful number, since it uses less digits than its factorization.

1145054250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508936 (or 508923 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1145054250 is about 33838.6502390388. The cubic root of 1145054250 is about 1046.1854788215.

Adding to 1145054250 its reverse (524505411), we get a palindrome (1669559661).

The spelling of 1145054250 in words is "one billion, one hundred forty-five million, fifty-four thousand, two hundred fifty".