145553316 has 24 divisors (see below), whose sum is σ = 341113920. Its totient is φ = 48304992.

The previous prime is 145553299. The next prime is 145553327. The reversal of 145553316 is 613355541.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23736 + ... + 29231.

It is an arithmetic number, because the mean of its divisors is an integer number (14213080).

Almost surely, 2^145553316 is an apocalyptic number.

It is an amenable number.

145553316 is an abundant number, since it is smaller than the sum of its proper divisors (195560604).

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

145553316 is a wasteful number, since it uses less digits than its factorization.

145553316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53203 (or 53201 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 145553316 is about 12064.5478986989. The cubic root of 145553316 is about 526.0261905834.

It can be divided in two parts, 14555 and 3316, that added together give a palindrome (17871).

The spelling of 145553316 in words is "one hundred forty-five million, five hundred fifty-three thousand, three hundred sixteen".