145612985 has 8 divisors (see below), whose sum is σ = 199697856. Its totient is φ = 99848880.

The previous prime is 145612969. The next prime is 145612997. The reversal of 145612985 is 589216541.

145612985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 145612985 - 2⁴ = 145612969 is a prime.

It is a super-2 number, since 2×145612985² = 42406282801220450, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

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, 2080151 + ... + 2080220.

It is an arithmetic number, because the mean of its divisors is an integer number (24962232).

Almost surely, 2^145612985 is an apocalyptic number.

It is an amenable number.

145612985 is a deficient number, since it is larger than the sum of its proper divisors (54084871).

145612985 is an equidigital number, since it uses as much as digits as its factorization.

145612985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160383.

The product of its digits is 86400, while the sum is 41.

The square root of 145612985 is about 12067.0205519010. The cubic root of 145612985 is about 526.0980615412.

It can be divided in two parts, 1456 and 12985, that added together give a palindrome (14441).

The spelling of 145612985 in words is "one hundred forty-five million, six hundred twelve thousand, nine hundred eighty-five".