145333556 has 6 divisors (see below), whose sum is σ = 254333730. Its totient is φ = 72666776.

The previous prime is 145333553. The next prime is 145333589. The reversal of 145333556 is 655333541.

It can be written as a sum of positive squares in only one way, i.e., 140043556 + 5290000 = 11834^2 + 2300^2 .

It is a super-2 number, since 2×145333556² = 42243684999210272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145333553) 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 as a sum of consecutive naturals, namely, 18166691 + ... + 18166698.

It is an arithmetic number, because the mean of its divisors is an integer number (42388955).

Almost surely, 2^145333556 is an apocalyptic number.

It is an amenable number.

145333556 is a deficient number, since it is larger than the sum of its proper divisors (109000174).

145333556 is a wasteful number, since it uses less digits than its factorization.

145333556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36333393 (or 36333391 counting only the distinct ones).

The product of its digits is 81000, while the sum is 35.

The square root of 145333556 is about 12055.4367818010. The cubic root of 145333556 is about 525.7613214481.

The spelling of 145333556 in words is "one hundred forty-five million, three hundred thirty-three thousand, five hundred fifty-six".