159211453 has 4 divisors (see below), whose sum is σ = 159419260. Its totient is φ = 159003648.

The previous prime is 159211447. The next prime is 159211471. The reversal of 159211453 is 354112951.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21548164 + 137663289 = 4642^2 + 11733^2 .

It is a cyclic number.

It is not a de Polignac number, because 159211453 - 2⁹ = 159210941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159211433) 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, 102750 + ... + 104287.

It is an arithmetic number, because the mean of its divisors is an integer number (39854815).

Almost surely, 2^159211453 is an apocalyptic number.

It is an amenable number.

159211453 is a deficient number, since it is larger than the sum of its proper divisors (207807).

159211453 is an equidigital number, since it uses as much as digits as its factorization.

159211453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207806.

The product of its digits is 5400, while the sum is 31.

The square root of 159211453 is about 12617.9020839441. The cubic root of 159211453 is about 541.9902017083.

The spelling of 159211453 in words is "one hundred fifty-nine million, two hundred eleven thousand, four hundred fifty-three".