2045105148 has 12 divisors (see below), whose sum is σ = 4771912040. Its totient is φ = 681701712.

The previous prime is 2045105137. The next prime is 2045105149. The reversal of 2045105148 is 8415015402.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2045105148² = 8364910132752203808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045105149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85212703 + ... + 85212726.

Almost surely, 2^2045105148 is an apocalyptic number.

It is an amenable number.

2045105148 is an abundant number, since it is smaller than the sum of its proper divisors (2726806892).

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

2045105148 is a wasteful number, since it uses less digits than its factorization.

2045105148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170425436 (or 170425434 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 2045105148 is about 45222.8387874976. The cubic root of 2045105148 is about 1269.3222142356.

It can be divided in two parts, 2045105 and 148, that added together give a triangular number (2045253 = T₂₀₂₂).

The spelling of 2045105148 in words is "two billion, forty-five million, one hundred five thousand, one hundred forty-eight".