145023316 has 12 divisors (see below), whose sum is σ = 262542420. Its totient is φ = 70011200.

The previous prime is 145023293. The next prime is 145023337. The reversal of 145023316 is 613320541.

It can be written as a sum of positive squares in 2 ways, for example, as 24462916 + 120560400 = 4946^2 + 10980^2 .

It is a congruent number.

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, 624985 + ... + 625216.

It is an arithmetic number, because the mean of its divisors is an integer number (21878535).

Almost surely, 2^145023316 is an apocalyptic number.

It is an amenable number.

145023316 is a deficient number, since it is larger than the sum of its proper divisors (117519104).

145023316 is a wasteful number, since it uses less digits than its factorization.

145023316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250234 (or 1250232 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 145023316 is about 12042.5626840802. The cubic root of 145023316 is about 525.3869449711.

Adding to 145023316 its reverse (613320541), we get a palindrome (758343857).

The spelling of 145023316 in words is "one hundred forty-five million, twenty-three thousand, three hundred sixteen".