2045243246 has 4 divisors (see below), whose sum is σ = 3067864872. Its totient is φ = 1022621622.

The previous prime is 2045243243. The next prime is 2045243251. The reversal of 2045243246 is 6423425402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6423425402 = 2 ⋅3211712701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045243243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511310810 + ... + 511310813.

It is an arithmetic number, because the mean of its divisors is an integer number (766966218).

Almost surely, 2^2045243246 is an apocalyptic number.

2045243246 is a deficient number, since it is larger than the sum of its proper divisors (1022621626).

2045243246 is a wasteful number, since it uses less digits than its factorization.

2045243246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022621625.

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 2045243246 is about 45224.3656229692. The cubic root of 2045243246 is about 1269.3507843907.

Adding to 2045243246 its reverse (6423425402), we get a palindrome (8468668648).

The spelling of 2045243246 in words is "two billion, forty-five million, two hundred forty-three thousand, two hundred forty-six".