145300052 has 24 divisors (see below), whose sum is σ = 258424320. Its totient is φ = 71474400.

The previous prime is 145300031. The next prime is 145300061. The reversal of 145300052 is 250003541.

It is a super-2 number, since 2×145300052² = 42224210222405408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145299997 and 145300033.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64733 + ... + 66939.

It is an arithmetic number, because the mean of its divisors is an integer number (10767680).

Almost surely, 2^145300052 is an apocalyptic number.

It is an amenable number.

145300052 is a deficient number, since it is larger than the sum of its proper divisors (113124268).

145300052 is a wasteful number, since it uses less digits than its factorization.

145300052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471 (or 2469 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 145300052 is about 12054.0471211954. The cubic root of 145300052 is about 525.7209167828.

Adding to 145300052 its reverse (250003541), we get a palindrome (395303593).

The spelling of 145300052 in words is "one hundred forty-five million, three hundred thousand, fifty-two".