154436950147 has 2 divisors, whose sum is σ = 154436950148. Its totient is φ = 154436950146.

The previous prime is 154436950139. The next prime is 154436950189. The reversal of 154436950147 is 741059634451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 154436950147 - 2³ = 154436950139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154436950147.

It is not a weakly prime, because it can be changed into another prime (154436950247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77218475073 + 77218475074.

It is an arithmetic number, because the mean of its divisors is an integer number (77218475074).

Almost surely, 2^154436950147 is an apocalyptic number.

154436950147 is a deficient number, since it is larger than the sum of its proper divisors (1).

154436950147 is an equidigital number, since it uses as much as digits as its factorization.

154436950147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 154436950147 in words is "one hundred fifty-four billion, four hundred thirty-six million, nine hundred fifty thousand, one hundred forty-seven".