2154052245 has 16 divisors (see below), whose sum is σ = 3493697472. Its totient is φ = 1133089920.

The previous prime is 2154052213. The next prime is 2154052261. The reversal of 2154052245 is 5422504512.

It is not a de Polignac number, because 2154052245 - 2⁵ = 2154052213 is a prime.

It is a Curzon number.

It is a congruent number.

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, 982491 + ... + 984680.

It is an arithmetic number, because the mean of its divisors is an integer number (218356092).

Almost surely, 2^2154052245 is an apocalyptic number.

It is an amenable number.

2154052245 is a deficient number, since it is larger than the sum of its proper divisors (1339645227).

2154052245 is a wasteful number, since it uses less digits than its factorization.

2154052245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967252.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2154052245 is about 46411.7683890627. The cubic root of 2154052245 is about 1291.4732372346.

Adding to 2154052245 its reverse (5422504512), we get a palindrome (7576556757).

The spelling of 2154052245 in words is "two billion, one hundred fifty-four million, fifty-two thousand, two hundred forty-five".