145112452 has 6 divisors (see below), whose sum is σ = 253946798. Its totient is φ = 72556224.

The previous prime is 145112449. The next prime is 145112501. The reversal of 145112452 is 254211541.

It can be written as a sum of positive squares in only one way, i.e., 85266756 + 59845696 = 9234^2 + 7736^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18139053 + ... + 18139060.

Almost surely, 2^145112452 is an apocalyptic number.

It is an amenable number.

145112452 is a deficient number, since it is larger than the sum of its proper divisors (108834346).

145112452 is a wasteful number, since it uses less digits than its factorization.

145112452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36278117 (or 36278115 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 145112452 is about 12046.2629889937. The cubic root of 145112452 is about 525.4945628372.

Adding to 145112452 its reverse (254211541), we get a palindrome (399323993).

The spelling of 145112452 in words is "one hundred forty-five million, one hundred twelve thousand, four hundred fifty-two".