154243153 has 4 divisors (see below), whose sum is σ = 154295460. Its totient is φ = 154190848.

The previous prime is 154243147. The next prime is 154243163. The reversal of 154243153 is 351342451.

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 139405249 + 14837904 = 11807^2 + 3852^2 .

It is a cyclic number.

It is not a de Polignac number, because 154243153 - 2¹⁷ = 154112081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154243123) 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, 21448 + ... + 27721.

It is an arithmetic number, because the mean of its divisors is an integer number (38573865).

Almost surely, 2^154243153 is an apocalyptic number.

It is an amenable number.

154243153 is a deficient number, since it is larger than the sum of its proper divisors (52307).

154243153 is an equidigital number, since it uses as much as digits as its factorization.

154243153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52306.

The product of its digits is 7200, while the sum is 28.

The square root of 154243153 is about 12419.4666954745. The cubic root of 154243153 is about 536.2927980433.

The spelling of 154243153 in words is "one hundred fifty-four million, two hundred forty-three thousand, one hundred fifty-three".