145143452 has 24 divisors (see below), whose sum is σ = 261424800. Its totient is φ = 70459200.

The previous prime is 145143443. The next prime is 145143469. The reversal of 145143452 is 254341541.

145143452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103049 + ... + 104447.

It is an arithmetic number, because the mean of its divisors is an integer number (10892700).

Almost surely, 2^145143452 is an apocalyptic number.

It is an amenable number.

145143452 is a deficient number, since it is larger than the sum of its proper divisors (116281348).

145143452 is a wasteful number, since it uses less digits than its factorization.

145143452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141 (or 2139 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 145143452 is about 12047.5496263763. The cubic root of 145143452 is about 525.5319801903.

Adding to 145143452 its reverse (254341541), we get a palindrome (399484993).

The spelling of 145143452 in words is "one hundred forty-five million, one hundred forty-three thousand, four hundred fifty-two".