154054492073161 has 3 divisors (see below), whose sum is σ = 154054504485031. Its totient is φ = 154054479661292.

The previous prime is 154054492073087. The next prime is 154054492073213. The reversal of 154054492073161 is 161370294450451.

It is a happy number.

The square root of 154054492073161 is 12411869.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 151255094613561 + 2799397459600 = 12298581^2 + 1673140^2 .

It is not a de Polignac number, because 154054492073161 - 2¹³ = 154054492064969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154054492073099 and 154054492073108.

It is not an unprimeable number, because it can be changed into a prime (154054492073761) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6205935 + ... + 18617803.

Almost surely, 2^{154054492073161} is an apocalyptic number.

154054492073161 is the 12411869-th square number.

154054492073161 is the 6205935-th centered octagonal number.

It is an amenable number.

154054492073161 is a deficient number, since it is larger than the sum of its proper divisors (12411870).

154054492073161 is an frugal number, since it uses more digits than its factorization.

154054492073161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24823738 (or 12411869 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 154054492073161 in words is "one hundred fifty-four trillion, fifty-four billion, four hundred ninety-two million, seventy-three thousand, one hundred sixty-one".