2045155023 has 24 divisors (see below), whose sum is σ = 3076276320. Its totient is φ = 1307678400.

The previous prime is 2045155001. The next prime is 2045155031. The reversal of 2045155023 is 3205515402.

It is a happy number.

It is not a de Polignac number, because 2045155023 - 2⁸ = 2045154767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045155223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13465 + ... + 65357.

It is an arithmetic number, because the mean of its divisors is an integer number (128178180).

Almost surely, 2^2045155023 is an apocalyptic number.

2045155023 is a deficient number, since it is larger than the sum of its proper divisors (1031121297).

2045155023 is a wasteful number, since it uses less digits than its factorization.

2045155023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52079 (or 52076 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2045155023 is about 45223.3902201062. The cubic root of 2045155023 is about 1269.3325326832.

The spelling of 2045155023 in words is "two billion, forty-five million, one hundred fifty-five thousand, twenty-three".