2045726157 has 16 divisors (see below), whose sum is σ = 2757622400. Its totient is φ = 1348857792.

The previous prime is 2045726141. The next prime is 2045726159. The reversal of 2045726157 is 7516275402.

It is not a de Polignac number, because 2045726157 - 2⁴ = 2045726141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045726159) 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, 267219 + ... + 274767.

It is an arithmetic number, because the mean of its divisors is an integer number (172351400).

Almost surely, 2^2045726157 is an apocalyptic number.

It is an amenable number.

2045726157 is a deficient number, since it is larger than the sum of its proper divisors (711896243).

2045726157 is a wasteful number, since it uses less digits than its factorization.

2045726157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8532.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 2045726157 is about 45229.7043656047. The cubic root of 2045726157 is about 1269.4506804495.

The spelling of 2045726157 in words is "two billion, forty-five million, seven hundred twenty-six thousand, one hundred fifty-seven".