1145145286 has 4 divisors (see below), whose sum is σ = 1717717932. Its totient is φ = 572572642.

The previous prime is 1145145269. The next prime is 1145145299. The reversal of 1145145286 is 6825415411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6825415411 = 2957 ⋅2308223.

It is a super-2 number, since 2×1145145286² = 2622715452096043592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286286320 + ... + 286286323.

It is an arithmetic number, because the mean of its divisors is an integer number (429429483).

Almost surely, 2^1145145286 is an apocalyptic number.

1145145286 is a deficient number, since it is larger than the sum of its proper divisors (572572646).

1145145286 is an equidigital number, since it uses as much as digits as its factorization.

1145145286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572572645.

The product of its digits is 38400, while the sum is 37.

The square root of 1145145286 is about 33839.9953605198. The cubic root of 1145145286 is about 1046.2132032772.

The spelling of 1145145286 in words is "one billion, one hundred forty-five million, one hundred forty-five thousand, two hundred eighty-six".