533321145 has 96 divisors (see below), whose sum is σ = 1133251200. Its totient is φ = 237105792.

The previous prime is 533321143. The next prime is 533321147. The reversal of 533321145 is 541123335.

It is an interprime number because it is at equal distance from previous prime (533321143) and next prime (533321147).

It is not a de Polignac number, because 533321145 - 2¹ = 533321143 is a prime.

It is a super-2 number, since 2×533321145² = 568862887408222050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (533321143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 243666 + ... + 245844.

It is an arithmetic number, because the mean of its divisors is an integer number (11804700).

Almost surely, 2^533321145 is an apocalyptic number.

It is an amenable number.

533321145 is an abundant number, since it is smaller than the sum of its proper divisors (599930055).

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

533321145 is a wasteful number, since it uses less digits than its factorization.

533321145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244 (or 2231 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 533321145 is about 23093.7468809200. The cubic root of 533321145 is about 810.9540883706.

The spelling of 533321145 in words is "five hundred thirty-three million, three hundred twenty-one thousand, one hundred forty-five".