1045000290 has 32 divisors (see below), whose sum is σ = 2520745920. Its totient is φ = 277250624.

The previous prime is 1045000289. The next prime is 1045000337. The reversal of 1045000290 is 920005401.

It is a super-2 number, since 2×1045000290² = 2184051212200168200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82500 + ... + 94319.

It is an arithmetic number, because the mean of its divisors is an integer number (78773310).

Almost surely, 2^1045000290 is an apocalyptic number.

1045000290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1045000290 is an abundant number, since it is smaller than the sum of its proper divisors (1475745630).

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

1045000290 is a wasteful number, since it uses less digits than its factorization.

1045000290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177026.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1045000290 is about 32326.4642359785. The cubic root of 1045000290 is about 1014.7805555019.

Adding to 1045000290 its reverse (920005401), we get a palindrome (1965005691).

The spelling of 1045000290 in words is "one billion, forty-five million, two hundred ninety", and thus it is an aban number.