3600145557 has 6 divisors (see below), whose sum is σ = 5200210262. Its totient is φ = 2400097032.

The previous prime is 3600145499. The next prime is 3600145583. The reversal of 3600145557 is 7555410063.

3600145557 is a `hidden beast` number, since 3 + 60 + 0 + 1 + 45 + 557 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2234547441 + 1365598116 = 47271^2 + 36954^2 .

It is not a de Polignac number, because 3600145557 - 2⁷ = 3600145429 is a prime.

It is a super-2 number, since 2×3600145557² = 25922096063173680498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3600145457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200008078 + ... + 200008095.

Almost surely, 2^3600145557 is an apocalyptic number.

It is an amenable number.

3600145557 is a deficient number, since it is larger than the sum of its proper divisors (1600064705).

3600145557 is a wasteful number, since it uses less digits than its factorization.

3600145557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400016179 (or 400016176 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 3600145557 is about 60001.2129627393. The cubic root of 3600145557 is about 1532.6395203795.

The spelling of 3600145557 in words is "three billion, six hundred million, one hundred forty-five thousand, five hundred fifty-seven".