154102741349 has 2 divisors, whose sum is σ = 154102741350. Its totient is φ = 154102741348.

The previous prime is 154102741319. The next prime is 154102741411. The reversal of 154102741349 is 943147201451.

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., 100270389025 + 53832352324 = 316655^2 + 232018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154102741349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154102741319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77051370674 + 77051370675.

It is an arithmetic number, because the mean of its divisors is an integer number (77051370675).

Almost surely, 2^154102741349 is an apocalyptic number.

It is an amenable number.

154102741349 is a deficient number, since it is larger than the sum of its proper divisors (1).

154102741349 is an equidigital number, since it uses as much as digits as its factorization.

154102741349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 154102741349 in words is "one hundred fifty-four billion, one hundred two million, seven hundred forty-one thousand, three hundred forty-nine".