145836785 has 8 divisors (see below), whose sum is σ = 175119360. Its totient is φ = 116592624.

The previous prime is 145836781. The next prime is 145836791. The reversal of 145836785 is 587638541.

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

It is a cyclic number.

It is not a de Polignac number, because 145836785 - 2² = 145836781 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (145836781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455 + ... + 17084.

It is an arithmetic number, because the mean of its divisors is an integer number (21889920).

Almost surely, 2^145836785 is an apocalyptic number.

It is an amenable number.

145836785 is a deficient number, since it is larger than the sum of its proper divisors (29282575).

145836785 is a wasteful number, since it uses less digits than its factorization.

145836785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19207.

The product of its digits is 806400, while the sum is 47.

The square root of 145836785 is about 12076.2902002229. The cubic root of 145836785 is about 526.3674525277.

The spelling of 145836785 in words is "one hundred forty-five million, eight hundred thirty-six thousand, seven hundred eighty-five".