145143132 has 24 divisors (see below), whose sum is σ = 339360000. Its totient is φ = 48282096.

The previous prime is 145143121. The next prime is 145143139. The reversal of 145143132 is 231341541.

It is a happy number.

145143132 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 not an unprimeable number, because it can be changed into a prime (145143139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6132 + ... + 18107.

It is an arithmetic number, because the mean of its divisors is an integer number (14140000).

Almost surely, 2^145143132 is an apocalyptic number.

145143132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145143132 is an abundant number, since it is smaller than the sum of its proper divisors (194216868).

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

145143132 is a wasteful number, since it uses less digits than its factorization.

145143132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24745 (or 24743 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 145143132 is about 12047.5363456601. The cubic root of 145143132 is about 525.5315939739.

Adding to 145143132 its reverse (231341541), we get a palindrome (376484673).

The spelling of 145143132 in words is "one hundred forty-five million, one hundred forty-three thousand, one hundred thirty-two".