154004316149 has 2 divisors, whose sum is σ = 154004316150. Its totient is φ = 154004316148.

The previous prime is 154004316139. The next prime is 154004316203. The reversal of 154004316149 is 941613400451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151170883249 + 2833432900 = 388807^2 + 53230^2 .

It is a cyclic number.

It is not a de Polignac number, because 154004316149 - 2³⁶ = 85284839413 is a prime.

It is a super-2 number, since 2×154004316149² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154004316139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77002158074 + 77002158075.

It is an arithmetic number, because the mean of its divisors is an integer number (77002158075).

Almost surely, 2^154004316149 is an apocalyptic number.

It is an amenable number.

154004316149 is a deficient number, since it is larger than the sum of its proper divisors (1).

154004316149 is an equidigital number, since it uses as much as digits as its factorization.

154004316149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 154004316149 in words is "one hundred fifty-four billion, four million, three hundred sixteen thousand, one hundred forty-nine".