154848229 has 4 divisors (see below), whose sum is σ = 155120940. Its totient is φ = 154575520.

The previous prime is 154848191. The next prime is 154848247. The reversal of 154848229 is 922848451.

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 55845729 + 99002500 = 7473^2 + 9950^2 .

It is a cyclic number.

It is not a de Polignac number, because 154848229 - 2⁹ = 154847717 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 (154848269) 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, 135502 + ... + 136639.

It is an arithmetic number, because the mean of its divisors is an integer number (38780235).

Almost surely, 2^154848229 is an apocalyptic number.

It is an amenable number.

154848229 is a deficient number, since it is larger than the sum of its proper divisors (272711).

154848229 is an equidigital number, since it uses as much as digits as its factorization.

154848229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272710.

The product of its digits is 184320, while the sum is 43.

The square root of 154848229 is about 12443.8028351465. The cubic root of 154848229 is about 536.9931522048.

The spelling of 154848229 in words is "one hundred fifty-four million, eight hundred forty-eight thousand, two hundred twenty-nine".