2045162868 has 48 divisors (see below), whose sum is σ = 5456930304. Its totient is φ = 583993440.

The previous prime is 2045162857. The next prime is 2045162879. The reversal of 2045162868 is 8682615402.

It is an interprime number because it is at equal distance from previous prime (2045162857) and next prime (2045162879).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162871 + ... + 174977.

It is an arithmetic number, because the mean of its divisors is an integer number (113686048).

Almost surely, 2^2045162868 is an apocalyptic number.

2045162868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2045162868 is an abundant number, since it is smaller than the sum of its proper divisors (3411767436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2045162868 is a wasteful number, since it uses less digits than its factorization.

2045162868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14132 (or 14130 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 2045162868 is about 45223.4769561121. The cubic root of 2045162868 is about 1269.3341556899.

The spelling of 2045162868 in words is "two billion, forty-five million, one hundred sixty-two thousand, eight hundred sixty-eight".