158443453 has 4 divisors (see below), whose sum is σ = 181078240. Its totient is φ = 135808668.

The previous prime is 158443429. The next prime is 158443457. The reversal of 158443453 is 354344851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 158443453 - 2²¹ = 156346301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158443457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11317383 + ... + 11317396.

It is an arithmetic number, because the mean of its divisors is an integer number (45269560).

Almost surely, 2^158443453 is an apocalyptic number.

It is an amenable number.

158443453 is a deficient number, since it is larger than the sum of its proper divisors (22634787).

158443453 is an equidigital number, since it uses as much as digits as its factorization.

158443453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22634786.

The product of its digits is 115200, while the sum is 37.

The square root of 158443453 is about 12587.4323434130. The cubic root of 158443453 is about 541.1173173301.

The spelling of 158443453 in words is "one hundred fifty-eight million, four hundred forty-three thousand, four hundred fifty-three".