145000252 has 12 divisors (see below), whose sum is σ = 255603600. Its totient is φ = 71970656.

The previous prime is 145000249. The next prime is 145000277. The reversal of 145000252 is 252000541.

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, 131752 + ... + 132847.

It is an arithmetic number, because the mean of its divisors is an integer number (21300300).

Almost surely, 2^145000252 is an apocalyptic number.

It is an amenable number.

145000252 is a deficient number, since it is larger than the sum of its proper divisors (110603348).

145000252 is a wasteful number, since it uses less digits than its factorization.

145000252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264740 (or 264738 counting only the distinct ones).

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

The square root of 145000252 is about 12041.6050425182. The cubic root of 145000252 is about 525.3590915949.

Adding to 145000252 its reverse (252000541), we get a palindrome (397000793).

The spelling of 145000252 in words is "one hundred forty-five million, two hundred fifty-two", and thus it is an aban number.