154223051 has 2 divisors, whose sum is σ = 154223052. Its totient is φ = 154223050.

The previous prime is 154223021. The next prime is 154223053. The reversal of 154223051 is 150322451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 154223051 - 2²⁶ = 87114187 is a prime.

Together with 154223053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (154223053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77111525 + 77111526.

It is an arithmetic number, because the mean of its divisors is an integer number (77111526).

Almost surely, 2^154223051 is an apocalyptic number.

154223051 is a deficient number, since it is larger than the sum of its proper divisors (1).

154223051 is an equidigital number, since it uses as much as digits as its factorization.

154223051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 154223051 is about 12418.6573750949. The cubic root of 154223051 is about 536.2694992756.

The spelling of 154223051 in words is "one hundred fifty-four million, two hundred twenty-three thousand, fifty-one".