145532456 has 16 divisors (see below), whose sum is σ = 273062400. Its totient is φ = 72715824.

The previous prime is 145532447. The next prime is 145532489. The reversal of 145532456 is 654235541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7835 + ... + 18773.

It is an arithmetic number, because the mean of its divisors is an integer number (17066400).

Almost surely, 2^145532456 is an apocalyptic number.

It is an amenable number.

145532456 is a deficient number, since it is larger than the sum of its proper divisors (127529944).

145532456 is a wasteful number, since it uses less digits than its factorization.

145532456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12608 (or 12604 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 145532456 is about 12063.6833512821. The cubic root of 145532456 is about 526.0010602031.

Adding to 145532456 its reverse (654235541), we get a palindrome (799767997).

The spelling of 145532456 in words is "one hundred forty-five million, five hundred thirty-two thousand, four hundred fifty-six".