385557645 has 32 divisors (see below), whose sum is σ = 689399424. Its totient is φ = 182374400.

The previous prime is 385557643. The next prime is 385557677. The reversal of 385557645 is 546755583.

It is not a de Polignac number, because 385557645 - 2¹ = 385557643 is a prime.

It is a super-3 number, since 3×385557645³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 385557594 and 385557603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385557643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21732 + ... + 35261.

It is an arithmetic number, because the mean of its divisors is an integer number (21543732).

Almost surely, 2^385557645 is an apocalyptic number.

It is an amenable number.

385557645 is a deficient number, since it is larger than the sum of its proper divisors (303841779).

385557645 is a wasteful number, since it uses less digits than its factorization.

385557645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57053.

The product of its digits is 2520000, while the sum is 48.

The square root of 385557645 is about 19635.6218388927. The cubic root of 385557645 is about 727.8296990498.

The spelling of 385557645 in words is "three hundred eighty-five million, five hundred fifty-seven thousand, six hundred forty-five".