2261502045 has 32 divisors (see below), whose sum is σ = 4385946240. Its totient is φ = 1096485120.

The previous prime is 2261502017. The next prime is 2261502073. The reversal of 2261502045 is 5402051622.

2261502045 is a `hidden beast` number, since 2 + 2 + 615 + 0 + 2 + 0 + 45 = 666.

2261502045 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2261502017) and next prime (2261502073).

It is not a de Polignac number, because 2261502045 - 2¹¹ = 2261499997 is a prime.

It is a super-2 number, since 2×2261502045² = 10228782999078364050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 759964 + ... + 762933.

It is an arithmetic number, because the mean of its divisors is an integer number (137060820).

Almost surely, 2^2261502045 is an apocalyptic number.

It is an amenable number.

2261502045 is a deficient number, since it is larger than the sum of its proper divisors (2124444195).

2261502045 is a wasteful number, since it uses less digits than its factorization.

2261502045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522922 (or 1522916 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2261502045 is about 47555.2525490087. The cubic root of 2261502045 is about 1312.5997834341.

Adding to 2261502045 its reverse (5402051622), we get a palindrome (7663553667).

The spelling of 2261502045 in words is "two billion, two hundred sixty-one million, five hundred two thousand, forty-five".