154205360455349 has 32 divisors (see below), whose sum is σ = 195114377097216. Its totient is φ = 118747887287040.

The previous prime is 154205360455283. The next prime is 154205360455409. The reversal of 154205360455349 is 943554063502451.

It is a cyclic number.

It is not a de Polignac number, because 154205360455349 - 2²⁰ = 154205359406773 is a prime.

It is a super-2 number, since 2×154205360455349² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154205360455294 and 154205360455303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154205360455649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56512067 + ... + 59177904.

It is an arithmetic number, because the mean of its divisors is an integer number (6097324284288).

Almost surely, 2^{154205360455349} is an apocalyptic number.

It is an amenable number.

154205360455349 is a deficient number, since it is larger than the sum of its proper divisors (40909016641867).

154205360455349 is a wasteful number, since it uses less digits than its factorization.

154205360455349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115690505.

The product of its (nonzero) digits is 38880000, while the sum is 56.

The spelling of 154205360455349 in words is "one hundred fifty-four trillion, two hundred five billion, three hundred sixty million, four hundred fifty-five thousand, three hundred forty-nine".