145846285 has 8 divisors (see below), whose sum is σ = 188478360. Its totient is φ = 107701824.

The previous prime is 145846271. The next prime is 145846319. The reversal of 145846285 is 582648541.

It can be written as a sum of positive squares in 4 ways, for example, as 1798281 + 144048004 = 1341^2 + 12002^2 .

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 145846285 - 2¹⁹ = 145321997 is a prime.

It is a super-2 number, since 2×145846285² = 42542277696602450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121830 + ... + 1121959.

It is an arithmetic number, because the mean of its divisors is an integer number (23559795).

Almost surely, 2^145846285 is an apocalyptic number.

It is an amenable number.

145846285 is a deficient number, since it is larger than the sum of its proper divisors (42632075).

145846285 is a wasteful number, since it uses less digits than its factorization.

145846285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243807.

The product of its digits is 307200, while the sum is 43.

The square root of 145846285 is about 12076.6835265316. The cubic root of 145846285 is about 526.3788817023.

The spelling of 145846285 in words is "one hundred forty-five million, eight hundred forty-six thousand, two hundred eighty-five".