145443452 has 36 divisors (see below), whose sum is σ = 319742640. Its totient is φ = 56664960.

The previous prime is 145443443. The next prime is 145443481. The reversal of 145443452 is 254344541.

145443452 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 11 ways as a sum of consecutive naturals, for example, 18077 + ... + 24852.

It is an arithmetic number, because the mean of its divisors is an integer number (8881740).

Almost surely, 2^145443452 is an apocalyptic number.

It is an amenable number.

145443452 is an abundant number, since it is smaller than the sum of its proper divisors (174299188).

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

145443452 is a wasteful number, since it uses less digits than its factorization.

145443452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42962 (or 42949 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 145443452 is about 12059.9938640117. The cubic root of 145443452 is about 525.8938086507.

Adding to 145443452 its reverse (254344541), we get a palindrome (399787993).

The spelling of 145443452 in words is "one hundred forty-five million, four hundred forty-three thousand, four hundred fifty-two".