145052205 has 16 divisors (see below), whose sum is σ = 235889664. Its totient is φ = 76092480.

The previous prime is 145052179. The next prime is 145052209. The reversal of 145052205 is 502250541.

It is a happy number.

It is not a de Polignac number, because 145052205 - 2⁹ = 145051693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145052209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78349 + ... + 80178.

It is an arithmetic number, because the mean of its divisors is an integer number (14743104).

Almost surely, 2^145052205 is an apocalyptic number.

145052205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145052205 is a deficient number, since it is larger than the sum of its proper divisors (90837459).

145052205 is a wasteful number, since it uses less digits than its factorization.

145052205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158596.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 145052205 is about 12043.7620783541. The cubic root of 145052205 is about 525.4218287773.

The spelling of 145052205 in words is "one hundred forty-five million, fifty-two thousand, two hundred five".