145857547185 has 32 divisors (see below), whose sum is σ = 267702485760. Its totient is φ = 66429850368.

The previous prime is 145857547163. The next prime is 145857547193. The reversal of 145857547185 is 581745758541.

It is not a de Polignac number, because 145857547185 - 2¹¹ = 145857545137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2553762 + ... + 2610251.

It is an arithmetic number, because the mean of its divisors is an integer number (8365702680).

Almost surely, 2^145857547185 is an apocalyptic number.

145857547185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145857547185 is a deficient number, since it is larger than the sum of its proper divisors (121844938575).

145857547185 is a wasteful number, since it uses less digits than its factorization.

145857547185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5164297.

The product of its digits is 31360000, while the sum is 60.

The spelling of 145857547185 in words is "one hundred forty-five billion, eight hundred fifty-seven million, five hundred forty-seven thousand, one hundred eighty-five".