154149029 has 2 divisors, whose sum is σ = 154149030. Its totient is φ = 154149028.

The previous prime is 154149001. The next prime is 154149041. The reversal of 154149029 is 920941451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84676804 + 69472225 = 9202^2 + 8335^2 .

It is an emirp because it is prime and its reverse (920941451) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154149029 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154149029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154149629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77074514 + 77074515.

It is an arithmetic number, because the mean of its divisors is an integer number (77074515).

Almost surely, 2^154149029 is an apocalyptic number.

It is an amenable number.

154149029 is a deficient number, since it is larger than the sum of its proper divisors (1).

154149029 is an equidigital number, since it uses as much as digits as its factorization.

154149029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 154149029 is about 12415.6767435368. The cubic root of 154149029 is about 536.1836882955.

The spelling of 154149029 in words is "one hundred fifty-four million, one hundred forty-nine thousand, twenty-nine".