2112153045 has 16 divisors (see below), whose sum is σ = 3381524160. Its totient is φ = 1125788544.

The previous prime is 2112152989. The next prime is 2112153047. The reversal of 2112153045 is 5403512112.

It is a happy number.

It is not a de Polignac number, because 2112153045 - 2¹⁵ = 2112120277 is a prime.

It is a super-2 number, since 2×2112153045² = 8922380971005544050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112153047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17635 + ... + 67344.

It is an arithmetic number, because the mean of its divisors is an integer number (211345260).

Almost surely, 2^2112153045 is an apocalyptic number.

It is an amenable number.

2112153045 is a deficient number, since it is larger than the sum of its proper divisors (1269371115).

2112153045 is a wasteful number, since it uses less digits than its factorization.

2112153045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86644.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2112153045 is about 45958.1662493185. The cubic root of 2112153045 is about 1283.0447222278.

Adding to 2112153045 its reverse (5403512112), we get a palindrome (7515665157).

The spelling of 2112153045 in words is "two billion, one hundred twelve million, one hundred fifty-three thousand, forty-five".