154046069 has 2 divisors, whose sum is σ = 154046070. Its totient is φ = 154046068.

The previous prime is 154046041. The next prime is 154046089. The reversal of 154046069 is 960640451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110986225 + 43059844 = 10535^2 + 6562^2 .

It is an emirp because it is prime and its reverse (960640451) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154046069 is a prime.

It is a super-2 number, since 2×154046069² = 47460382748705522, 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 (154046029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77023034 + 77023035.

It is an arithmetic number, because the mean of its divisors is an integer number (77023035).

Almost surely, 2^154046069 is an apocalyptic number.

It is an amenable number.

154046069 is a deficient number, since it is larger than the sum of its proper divisors (1).

154046069 is an equidigital number, since it uses as much as digits as its factorization.

154046069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 154046069 is about 12411.5296800999. The cubic root of 154046069 is about 536.0642848660.

The spelling of 154046069 in words is "one hundred fifty-four million, forty-six thousand, sixty-nine".