154420446164141 has 2 divisors, whose sum is σ = 154420446164142. Its totient is φ = 154420446164140.

The previous prime is 154420446164113. The next prime is 154420446164177. The reversal of 154420446164141 is 141461644024451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90454441648516 + 63966004515625 = 9510754^2 + 7997875^2 .

It is a cyclic number.

It is not a de Polignac number, because 154420446164141 - 2³⁴ = 154403266294957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154420446164641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77210223082070 + 77210223082071.

It is an arithmetic number, because the mean of its divisors is an integer number (77210223082071).

Almost surely, 2^{154420446164141} is an apocalyptic number.

It is an amenable number.

154420446164141 is a deficient number, since it is larger than the sum of its proper divisors (1).

154420446164141 is an equidigital number, since it uses as much as digits as its factorization.

154420446164141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 154420446164141 in words is "one hundred fifty-four trillion, four hundred twenty billion, four hundred forty-six million, one hundred sixty-four thousand, one hundred forty-one".