152821355 has 16 divisors (see below), whose sum is σ = 188120064. Its totient is φ = 119115360.

The previous prime is 152821349. The next prime is 152821397. The reversal of 152821355 is 553128251.

It is a de Polignac number, because none of the positive numbers 2^k-152821355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129920 + ... + 131090.

It is an arithmetic number, because the mean of its divisors is an integer number (11757504).

Almost surely, 2^152821355 is an apocalyptic number.

152821355 is a deficient number, since it is larger than the sum of its proper divisors (35298709).

152821355 is a wasteful number, since it uses less digits than its factorization.

152821355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826.

The product of its digits is 12000, while the sum is 32.

The square root of 152821355 is about 12362.0934715767. The cubic root of 152821355 is about 534.6398775989.

The spelling of 152821355 in words is "one hundred fifty-two million, eight hundred twenty-one thousand, three hundred fifty-five".