385157544 has 32 divisors (see below), whose sum is σ = 963900000. Its totient is φ = 128251712.

The previous prime is 385157543. The next prime is 385157573. The reversal of 385157544 is 445751583.

It is a happy number.

It is a super-2 number, since 2×385157544² = 296692667400223872, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 385157496 and 385157505.

It is not an unprimeable number, because it can be changed into a prime (385157543) 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, 16582 + ... + 32330.

It is an arithmetic number, because the mean of its divisors is an integer number (30121875).

Almost surely, 2^385157544 is an apocalyptic number.

It is an amenable number.

385157544 is an abundant number, since it is smaller than the sum of its proper divisors (578742456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385157544 is a wasteful number, since it uses less digits than its factorization.

385157544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16777 (or 16773 counting only the distinct ones).

The product of its digits is 336000, while the sum is 42.

The square root of 385157544 is about 19625.4310525909. The cubic root of 385157544 is about 727.5778506927.

The spelling of 385157544 in words is "three hundred eighty-five million, one hundred fifty-seven thousand, five hundred forty-four".