154071943 has 2 divisors, whose sum is σ = 154071944. Its totient is φ = 154071942.

The previous prime is 154071919. The next prime is 154071947. The reversal of 154071943 is 349170451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 154071943 - 2⁹ = 154071431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154071899 and 154071908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154071947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77035971 + 77035972.

It is an arithmetic number, because the mean of its divisors is an integer number (77035972).

Almost surely, 2^154071943 is an apocalyptic number.

154071943 is a deficient number, since it is larger than the sum of its proper divisors (1).

154071943 is an equidigital number, since it uses as much as digits as its factorization.

154071943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 154071943 is about 12412.5719736080. The cubic root of 154071943 is about 536.0942961280.

The spelling of 154071943 in words is "one hundred fifty-four million, seventy-one thousand, nine hundred forty-three".