385177045 has 16 divisors (see below), whose sum is σ = 506341440. Its totient is φ = 278956800.

The previous prime is 385177027. The next prime is 385177057. The reversal of 385177045 is 540771583.

It is not a de Polignac number, because 385177045 - 2²³ = 376788437 is a prime.

It is a super-2 number, since 2×385177045² = 296722711989864050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 385176989 and 385177007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1275 + ... + 27784.

It is an arithmetic number, because the mean of its divisors is an integer number (31646340).

Almost surely, 2^385177045 is an apocalyptic number.

It is an amenable number.

385177045 is a deficient number, since it is larger than the sum of its proper divisors (121164395).

385177045 is a wasteful number, since it uses less digits than its factorization.

385177045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29316.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 385177045 is about 19625.9278761540. The cubic root of 385177045 is about 727.5901298725.

The spelling of 385177045 in words is "three hundred eighty-five million, one hundred seventy-seven thousand, forty-five".