152112643 has 4 divisors (see below), whose sum is σ = 152833768. Its totient is φ = 151391520.

The previous prime is 152112619. The next prime is 152112647. The reversal of 152112643 is 346211251.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346211251 = 29 ⋅11938319.

It is a cyclic number.

It is not a de Polignac number, because 152112643 - 2⁹ = 152112131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152112647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360246 + ... + 360667.

It is an arithmetic number, because the mean of its divisors is an integer number (38208442).

Almost surely, 2^152112643 is an apocalyptic number.

152112643 is a deficient number, since it is larger than the sum of its proper divisors (721125).

152112643 is an equidigital number, since it uses as much as digits as its factorization.

152112643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721124.

The product of its digits is 1440, while the sum is 25.

The square root of 152112643 is about 12333.3954367806. The cubic root of 152112643 is about 533.8121291074.

Adding to 152112643 its reverse (346211251), we get a palindrome (498323894).

The spelling of 152112643 in words is "one hundred fifty-two million, one hundred twelve thousand, six hundred forty-three".