154158097 has 2 divisors, whose sum is σ = 154158098. Its totient is φ = 154158096.

The previous prime is 154158083. The next prime is 154158149. The reversal of 154158097 is 790851451.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114832656 + 39325441 = 10716^2 + 6271^2 .

It is a cyclic number.

It is not a de Polignac number, because 154158097 - 2¹¹ = 154156049 is a prime.

It is a super-2 number, since 2×154158097² = 47529437741322818, which contains 22 as substring.

It is a Chen prime.

It is equal to p_8664907 and since 154158097 and 8664907 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (154158497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77079048 + 77079049.

It is an arithmetic number, because the mean of its divisors is an integer number (77079049).

Almost surely, 2^154158097 is an apocalyptic number.

It is an amenable number.

154158097 is a deficient number, since it is larger than the sum of its proper divisors (1).

154158097 is an equidigital number, since it uses as much as digits as its factorization.

154158097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 154158097 is about 12416.0419216431. The cubic root of 154158097 is about 536.1942019705.

The spelling of 154158097 in words is "one hundred fifty-four million, one hundred fifty-eight thousand, ninety-seven".