2457145826 has 16 divisors (see below), whose sum is σ = 3846859128. Its totient is φ = 1175990400.

The previous prime is 2457145811. The next prime is 2457145891. The reversal of 2457145826 is 6285417542.

It can be written as a sum of positive squares in 4 ways, for example, as 982509025 + 1474636801 = 31345^2 + 38401^2 .

It is a super-2 number, since 2×2457145826² = 12075131220458444552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278345 + ... + 287036.

Almost surely, 2^2457145826 is an apocalyptic number.

2457145826 is a deficient number, since it is larger than the sum of its proper divisors (1389713302).

2457145826 is a wasteful number, since it uses less digits than its factorization.

2457145826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565477.

The product of its digits is 537600, while the sum is 44.

The square root of 2457145826 is about 49569.6058689193. The cubic root of 2457145826 is about 1349.4091288953.

The spelling of 2457145826 in words is "two billion, four hundred fifty-seven million, one hundred forty-five thousand, eight hundred twenty-six".