145206052 has 12 divisors (see below), whose sum is σ = 257592076. Its totient is φ = 71608320.

The previous prime is 145206041. The next prime is 145206067. The reversal of 145206052 is 250602541.

It can be written as a sum of positive squares in 2 ways, for example, as 125081856 + 20124196 = 11184^2 + 4486^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248349 + ... + 248932.

Almost surely, 2^145206052 is an apocalyptic number.

It is an amenable number.

145206052 is a deficient number, since it is larger than the sum of its proper divisors (112386024).

145206052 is a wasteful number, since it uses less digits than its factorization.

145206052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497358 (or 497356 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 145206052 is about 12050.1473849908. The cubic root of 145206052 is about 525.6075228643.

Adding to 145206052 its reverse (250602541), we get a palindrome (395808593).

The spelling of 145206052 in words is "one hundred forty-five million, two hundred six thousand, fifty-two".