145352185 has 32 divisors (see below), whose sum is σ = 201369600. Its totient is φ = 99610560.

The previous prime is 145352183. The next prime is 145352191. The reversal of 145352185 is 581253541.

It is not a de Polignac number, because 145352185 - 2¹ = 145352183 is a prime.

It is a super-2 number, since 2×145352185² = 42254515368548450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145352185.

It is not an unprimeable number, because it can be changed into a prime (145352183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383326 + ... + 383704.

It is an arithmetic number, because the mean of its divisors is an integer number (6292800).

Almost surely, 2^145352185 is an apocalyptic number.

It is an amenable number.

145352185 is a deficient number, since it is larger than the sum of its proper divisors (56017415).

145352185 is a wasteful number, since it uses less digits than its factorization.

145352185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781.

The product of its digits is 24000, while the sum is 34.

The square root of 145352185 is about 12056.2093959918. The cubic root of 145352185 is about 525.7837846917.

The spelling of 145352185 in words is "one hundred forty-five million, three hundred fifty-two thousand, one hundred eighty-five".