385515145 has 8 divisors (see below), whose sum is σ = 470459520. Its totient is φ = 303184560.

The previous prime is 385515133. The next prime is 385515157. The reversal of 385515145 is 541515583.

It is an interprime number because it is at equal distance from previous prime (385515133) and next prime (385515157).

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

It is not a de Polignac number, because 385515145 - 2⁵ = 385515113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653121 + ... + 653710.

It is an arithmetic number, because the mean of its divisors is an integer number (58807440).

Almost surely, 2^385515145 is an apocalyptic number.

It is an amenable number.

385515145 is a deficient number, since it is larger than the sum of its proper divisors (84944375).

385515145 is a wasteful number, since it uses less digits than its factorization.

385515145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306895.

The product of its digits is 60000, while the sum is 37.

The square root of 385515145 is about 19634.5395922594. The cubic root of 385515145 is about 727.8029551900.

The spelling of 385515145 in words is "three hundred eighty-five million, five hundred fifteen thousand, one hundred forty-five".