145333144 has 16 divisors (see below), whose sum is σ = 297272520. Its totient is φ = 66060480.

The previous prime is 145333141. The next prime is 145333183. The reversal of 145333144 is 441333541.

It is a super-2 number, since 2×145333144² = 42243445489849472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145333141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 825669 + ... + 825844.

Almost surely, 2^145333144 is an apocalyptic number.

It is an amenable number.

145333144 is an abundant number, since it is smaller than the sum of its proper divisors (151939376).

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

145333144 is a wasteful number, since it uses less digits than its factorization.

145333144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651530 (or 1651526 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 145333144 is about 12055.4196940629. The cubic root of 145333144 is about 525.7608246281.

Adding to 145333144 its reverse (441333541), we get a palindrome (586666685).

The spelling of 145333144 in words is "one hundred forty-five million, three hundred thirty-three thousand, one hundred forty-four".