154413223 has 2 divisors, whose sum is σ = 154413224. Its totient is φ = 154413222.

The previous prime is 154413199. The next prime is 154413239. The reversal of 154413223 is 322314451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 154413223 - 2²¹ = 152316071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154417223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77206611 + 77206612.

It is an arithmetic number, because the mean of its divisors is an integer number (77206612).

Almost surely, 2^154413223 is an apocalyptic number.

154413223 is a deficient number, since it is larger than the sum of its proper divisors (1).

154413223 is an equidigital number, since it uses as much as digits as its factorization.

154413223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 25.

The square root of 154413223 is about 12426.3117215045. The cubic root of 154413223 is about 536.4898328611.

Adding to 154413223 its reverse (322314451), we get a palindrome (476727674).

The spelling of 154413223 in words is "one hundred fifty-four million, four hundred thirteen thousand, two hundred twenty-three".