145512052 has 12 divisors (see below), whose sum is σ = 291024160. Its totient is φ = 62362296.

The previous prime is 145512019. The next prime is 145512067. The reversal of 145512052 is 250215541.

145512052 is an admirable number.

It is a congruent number.

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, 2598402 + ... + 2598457.

Almost surely, 2^145512052 is an apocalyptic number.

It is an amenable number.

145512052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145512052 is a wasteful number, since it uses less digits than its factorization.

145512052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196870 (or 5196868 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 145512052 is about 12062.8376429429. The cubic root of 145512052 is about 525.9764768500.

Adding to 145512052 its reverse (250215541), we get a palindrome (395727593).

The spelling of 145512052 in words is "one hundred forty-five million, five hundred twelve thousand, fifty-two".