154550023 has 2 divisors, whose sum is σ = 154550024. Its totient is φ = 154550022.

The previous prime is 154550017. The next prime is 154550093. The reversal of 154550023 is 320055451.

It is a weak prime.

It is an emirp because it is prime and its reverse (320055451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154550023 - 2²¹ = 152452871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154550023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154550093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77275011 + 77275012.

It is an arithmetic number, because the mean of its divisors is an integer number (77275012).

Almost surely, 2^154550023 is an apocalyptic number.

154550023 is a deficient number, since it is larger than the sum of its proper divisors (1).

154550023 is an equidigital number, since it uses as much as digits as its factorization.

154550023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 154550023 is about 12431.8149519690. The cubic root of 154550023 is about 536.6482177130.

The spelling of 154550023 in words is "one hundred fifty-four million, five hundred fifty thousand, twenty-three".