145538285 has 8 divisors (see below), whose sum is σ = 177106176. Its totient is φ = 114790480.

The previous prime is 145538231. The next prime is 145538287. The reversal of 145538285 is 582835541.

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

It is not a de Polignac number, because 145538285 - 2⁶ = 145538221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145538287) 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, 204629 + ... + 205338.

It is an arithmetic number, because the mean of its divisors is an integer number (22138272).

Almost surely, 2^145538285 is an apocalyptic number.

It is an amenable number.

145538285 is a deficient number, since it is larger than the sum of its proper divisors (31567891).

145538285 is an equidigital number, since it uses as much as digits as its factorization.

145538285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410043.

The product of its digits is 192000, while the sum is 41.

The square root of 145538285 is about 12063.9249417426. The cubic root of 145538285 is about 526.0080827357.

The spelling of 145538285 in words is "one hundred forty-five million, five hundred thirty-eight thousand, two hundred eighty-five".