154971119 has 2 divisors, whose sum is σ = 154971120. Its totient is φ = 154971118.

The previous prime is 154971107. The next prime is 154971127. The reversal of 154971119 is 911179451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 154971119 - 2²⁰ = 153922543 is a prime.

It is a super-2 number, since 2×154971119² = 48032095448224322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154971199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77485559 + 77485560.

It is an arithmetic number, because the mean of its divisors is an integer number (77485560).

Almost surely, 2^154971119 is an apocalyptic number.

154971119 is a deficient number, since it is larger than the sum of its proper divisors (1).

154971119 is an equidigital number, since it uses as much as digits as its factorization.

154971119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 38.

The square root of 154971119 is about 12448.7396550816. The cubic root of 154971119 is about 537.1351700576.

The spelling of 154971119 in words is "one hundred fifty-four million, nine hundred seventy-one thousand, one hundred nineteen".