145524216 has 48 divisors (see below), whose sum is σ = 386488440. Its totient is φ = 45652480.

The previous prime is 145524209. The next prime is 145524221. The reversal of 145524216 is 612425541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3555 + ... + 17426.

Almost surely, 2^145524216 is an apocalyptic number.

It is an amenable number.

145524216 is an abundant number, since it is smaller than the sum of its proper divisors (240964224).

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

145524216 is a wasteful number, since it uses less digits than its factorization.

145524216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21024 (or 21003 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 145524216 is about 12063.3418255473. The cubic root of 145524216 is about 525.9911326798.

Adding to 145524216 its reverse (612425541), we get a palindrome (757949757).

The spelling of 145524216 in words is "one hundred forty-five million, five hundred twenty-four thousand, two hundred sixteen".