152121243 has 8 divisors (see below), whose sum is σ = 203577856. Its totient is φ = 101039400.

The previous prime is 152121227. The next prime is 152121257. The reversal of 152121243 is 342121251.

152121243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 152121243 - 2⁴ = 152121227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152121043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92743 + ... + 94368.

It is an arithmetic number, because the mean of its divisors is an integer number (25447232).

Almost surely, 2^152121243 is an apocalyptic number.

152121243 is a deficient number, since it is larger than the sum of its proper divisors (51456613).

152121243 is a wasteful number, since it uses less digits than its factorization.

152121243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187385.

The product of its digits is 480, while the sum is 21.

The square root of 152121243 is about 12333.7440787459. The cubic root of 152121243 is about 533.8221889721.

Adding to 152121243 its reverse (342121251), we get a palindrome (494242494).

The spelling of 152121243 in words is "one hundred fifty-two million, one hundred twenty-one thousand, two hundred forty-three".