152214191 has 4 divisors (see below), whose sum is σ = 153222384. Its totient is φ = 151206000.

The previous prime is 152214133. The next prime is 152214193. The reversal of 152214191 is 191412251.

152214191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 191412251 = 19 ⋅10074329.

It is a cyclic number.

It is not a de Polignac number, because 152214191 - 2¹⁰ = 152213167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152214191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152214193) 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, 503870 + ... + 504171.

It is an arithmetic number, because the mean of its divisors is an integer number (38305596).

Almost surely, 2^152214191 is an apocalyptic number.

152214191 is a deficient number, since it is larger than the sum of its proper divisors (1008193).

152214191 is a wasteful number, since it uses less digits than its factorization.

152214191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008192.

The product of its digits is 720, while the sum is 26.

The square root of 152214191 is about 12337.5115400149. The cubic root of 152214191 is about 533.9308908680.

The spelling of 152214191 in words is "one hundred fifty-two million, two hundred fourteen thousand, one hundred ninety-one".