145203052 has 24 divisors (see below), whose sum is σ = 270629856. Its totient is φ = 67930368.

The previous prime is 145203049. The next prime is 145203053. The reversal of 145203052 is 250302541.

It is a super-2 number, since 2×145203052² = 42167852620229408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145203053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5593 + ... + 17935.

It is an arithmetic number, because the mean of its divisors is an integer number (11276244).

Almost surely, 2^145203052 is an apocalyptic number.

It is an amenable number.

145203052 is a deficient number, since it is larger than the sum of its proper divisors (125426804).

145203052 is a wasteful number, since it uses less digits than its factorization.

145203052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12537 (or 12535 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 145203052 is about 12050.0229045425. The cubic root of 145203052 is about 525.6039031037.

Adding to 145203052 its reverse (250302541), we get a palindrome (395505593).

The spelling of 145203052 in words is "one hundred forty-five million, two hundred three thousand, fifty-two".