152021133 has 18 divisors (see below), whose sum is σ = 241364942. Its totient is φ = 92133360.

The previous prime is 152021131. The next prime is 152021137. The reversal of 152021133 is 331120251.

It can be written as a sum of positive squares in only one way, i.e., 130370724 + 21650409 = 11418^2 + 4653^2 .

It is not a de Polignac number, because 152021133 - 2¹ = 152021131 is a prime.

It is a super-2 number, since 2×152021133² = 46220849757207378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152021131) 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 17 ways as a sum of consecutive naturals, for example, 68710 + ... + 70887.

Almost surely, 2^152021133 is an apocalyptic number.

It is an amenable number.

152021133 is a deficient number, since it is larger than the sum of its proper divisors (89343809).

152021133 is a wasteful number, since it uses less digits than its factorization.

152021133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139625 (or 139611 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 152021133 is about 12329.6850324735. The cubic root of 152021133 is about 533.7050616386.

Adding to 152021133 its reverse (331120251), we get a palindrome (483141384).

The spelling of 152021133 in words is "one hundred fifty-two million, twenty-one thousand, one hundred thirty-three".