152275221 has 24 divisors (see below), whose sum is σ = 260688064. Its totient is φ = 87013440.

The previous prime is 152275219. The next prime is 152275223. The reversal of 152275221 is 122572251.

It is an interprime number because it is at equal distance from previous prime (152275219) and next prime (152275223).

It is not a de Polignac number, because 152275221 - 2¹ = 152275219 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152275223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43060 + ... + 46461.

Almost surely, 2^152275221 is an apocalyptic number.

It is an amenable number.

152275221 is a deficient number, since it is larger than the sum of its proper divisors (108412843).

152275221 is an frugal number, since it uses more digits than its factorization.

152275221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89543 (or 89531 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 152275221 is about 12339.9846434264. The cubic root of 152275221 is about 534.0022408693.

The spelling of 152275221 in words is "one hundred fifty-two million, two hundred seventy-five thousand, two hundred twenty-one".