145450285 has 8 divisors (see below), whose sum is σ = 177833880. Its totient is φ = 114164544.

The previous prime is 145450271. The next prime is 145450303. The reversal of 145450285 is 582054541.

It is a happy number.

145450285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 66275881 + 79174404 = 8141^2 + 8898^2 .

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

It is not a de Polignac number, because 145450285 - 2¹⁹ = 144925997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145450285.

It is a congruent 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, 274170 + ... + 274699.

It is an arithmetic number, because the mean of its divisors is an integer number (22229235).

Almost surely, 2^145450285 is an apocalyptic number.

It is an amenable number.

145450285 is a deficient number, since it is larger than the sum of its proper divisors (32383595).

145450285 is an equidigital number, since it uses as much as digits as its factorization.

145450285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548927.

The product of its (nonzero) digits is 32000, while the sum is 34.

The square root of 145450285 is about 12060.2771527026. The cubic root of 145450285 is about 525.9020440991.

The spelling of 145450285 in words is "one hundred forty-five million, four hundred fifty thousand, two hundred eighty-five".