145523316 has 12 divisors (see below), whose sum is σ = 339554432. Its totient is φ = 48507768.

The previous prime is 145523311. The next prime is 145523359. The reversal of 145523316 is 613325541.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145523311) by changing a digit.

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, 6063460 + ... + 6063483.

Almost surely, 2^145523316 is an apocalyptic number.

It is an amenable number.

145523316 is an abundant number, since it is smaller than the sum of its proper divisors (194031116).

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

145523316 is a wasteful number, since it uses less digits than its factorization.

145523316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12126950 (or 12126948 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 145523316 is about 12063.3045223935. The cubic root of 145523316 is about 525.9900483402.

Adding to 145523316 its reverse (613325541), we get a palindrome (758848857).

The spelling of 145523316 in words is "one hundred forty-five million, five hundred twenty-three thousand, three hundred sixteen".