1057245645 has 8 divisors (see below), whose sum is σ = 1691593056. Its totient is φ = 563864336.

The previous prime is 1057245611. The next prime is 1057245647. The reversal of 1057245645 is 5465427501.

1057245645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1057245645 - 2⁷ = 1057245517 is a prime.

It is a super-3 number, since 3×1057245645³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057245647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35241507 + ... + 35241536.

It is an arithmetic number, because the mean of its divisors is an integer number (211449132).

Almost surely, 2^1057245645 is an apocalyptic number.

1057245645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1057245645 is a deficient number, since it is larger than the sum of its proper divisors (634347411).

1057245645 is an equidigital number, since it uses as much as digits as its factorization.

1057245645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70483051.

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 1057245645 is about 32515.3140074027. The cubic root of 1057245645 is about 1018.7289193826.

The spelling of 1057245645 in words is "one billion, fifty-seven million, two hundred forty-five thousand, six hundred forty-five".