145200052 has 12 divisors (see below), whose sum is σ = 267473920. Its totient is φ = 68778936.

The previous prime is 145200049. The next prime is 145200067. The reversal of 145200052 is 250002541.

145200052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 955188 + ... + 955339.

Almost surely, 2^145200052 is an apocalyptic number.

It is an amenable number.

145200052 is a deficient number, since it is larger than the sum of its proper divisors (122273868).

145200052 is a wasteful number, since it uses less digits than its factorization.

145200052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910550 (or 1910548 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 145200052 is about 12049.8984228084. The cubic root of 145200052 is about 525.6002832933.

Adding to 145200052 its reverse (250002541), we get a palindrome (395202593).

The spelling of 145200052 in words is "one hundred forty-five million, two hundred thousand, fifty-two".