154748441 has 2 divisors, whose sum is σ = 154748442. Its totient is φ = 154748440.

The previous prime is 154748431. The next prime is 154748449. The reversal of 154748441 is 144847451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143161225 + 11587216 = 11965^2 + 3404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154748441 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 154748395 and 154748404.

It is not a weakly prime, because it can be changed into another prime (154748449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77374220 + 77374221.

It is an arithmetic number, because the mean of its divisors is an integer number (77374221).

Almost surely, 2^154748441 is an apocalyptic number.

It is an amenable number.

154748441 is a deficient number, since it is larger than the sum of its proper divisors (1).

154748441 is an equidigital number, since it uses as much as digits as its factorization.

154748441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71680, while the sum is 38.

The square root of 154748441 is about 12439.7926429664. The cubic root of 154748441 is about 536.8777768946.

The spelling of 154748441 in words is "one hundred fifty-four million, seven hundred forty-eight thousand, four hundred forty-one".