145184385 has 8 divisors (see below), whose sum is σ = 232295040. Its totient is φ = 77431664.

The previous prime is 145184359. The next prime is 145184387. The reversal of 145184385 is 583481541.

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 145184385 - 2¹¹ = 145182337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145184387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4839465 + ... + 4839494.

It is an arithmetic number, because the mean of its divisors is an integer number (29036880).

Almost surely, 2^145184385 is an apocalyptic number.

145184385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145184385 is a deficient number, since it is larger than the sum of its proper divisors (87110655).

145184385 is an equidigital number, since it uses as much as digits as its factorization.

145184385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9678967.

The product of its digits is 76800, while the sum is 39.

The square root of 145184385 is about 12049.2483168038. The cubic root of 145184385 is about 525.5813786265.

The spelling of 145184385 in words is "one hundred forty-five million, one hundred eighty-four thousand, three hundred eighty-five".