154055513449 has 2 divisors, whose sum is σ = 154055513450. Its totient is φ = 154055513448.

The previous prime is 154055513431. The next prime is 154055513467. The reversal of 154055513449 is 944315550451.

It is a balanced prime because it is at equal distance from previous prime (154055513431) and next prime (154055513467).

It can be written as a sum of positive squares in only one way, i.e., 109167464025 + 44888049424 = 330405^2 + 211868^2 .

It is a cyclic number.

It is not a de Polignac number, because 154055513449 - 2⁷ = 154055513321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154055513399 and 154055513408.

It is not a weakly prime, because it can be changed into another prime (154055513749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77027756724 + 77027756725.

It is an arithmetic number, because the mean of its divisors is an integer number (77027756725).

Almost surely, 2^154055513449 is an apocalyptic number.

It is an amenable number.

154055513449 is a deficient number, since it is larger than the sum of its proper divisors (1).

154055513449 is an equidigital number, since it uses as much as digits as its factorization.

154055513449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 154055513449 in words is "one hundred fifty-four billion, fifty-five million, five hundred thirteen thousand, four hundred forty-nine".