2490231145 has 16 divisors (see below), whose sum is σ = 3241235088. Its totient is φ = 1829263360.

The previous prime is 2490231119. The next prime is 2490231151. The reversal of 2490231145 is 5411320942.

It can be written as a sum of positive squares in 8 ways, for example, as 725979136 + 1764252009 = 26944^2 + 42003^2 .

It is not a de Polignac number, because 2490231145 - 2¹⁵ = 2490198377 is a prime.

It is a super-2 number, since 2×2490231145² = 12402502311056022050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353794 + ... + 360763.

It is an arithmetic number, because the mean of its divisors is an integer number (202577193).

Almost surely, 2^2490231145 is an apocalyptic number.

It is an amenable number.

2490231145 is a deficient number, since it is larger than the sum of its proper divisors (751003943).

2490231145 is a wasteful number, since it uses less digits than its factorization.

2490231145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714620.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2490231145 is about 49902.2158325660. The cubic root of 2490231145 is about 1355.4387172494.

The spelling of 2490231145 in words is "two billion, four hundred ninety million, two hundred thirty-one thousand, one hundred forty-five".