151564243 has 4 divisors (see below), whose sum is σ = 151594840. Its totient is φ = 151533648.

The previous prime is 151564223. The next prime is 151564267. The reversal of 151564243 is 342465151.

It is a happy number.

151564243 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.

It is a cyclic number.

It is not a de Polignac number, because 151564243 - 2⁵ = 151564211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151564223) 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, 5973 + ... + 18406.

It is an arithmetic number, because the mean of its divisors is an integer number (37898710).

Almost surely, 2^151564243 is an apocalyptic number.

151564243 is a deficient number, since it is larger than the sum of its proper divisors (30597).

151564243 is an equidigital number, since it uses as much as digits as its factorization.

151564243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30596.

The product of its digits is 14400, while the sum is 31.

The square root of 151564243 is about 12311.1430419762. The cubic root of 151564243 is about 533.1698527152.

The spelling of 151564243 in words is "one hundred fifty-one million, five hundred sixty-four thousand, two hundred forty-three".