154043002161 has 12 divisors (see below), whose sum is σ = 225006633540. Its totient is φ = 101541454080.

The previous prime is 154043002153. The next prime is 154043002163. The reversal of 154043002161 is 161200340451.

It is a happy number.

154043002161 is a `hidden beast` number, since 1 + 540 + 43 + 0 + 0 + 21 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 50523800625 + 103519201536 = 224775^2 + 321744^2 .

It is not a de Polignac number, because 154043002161 - 2³ = 154043002153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154043002163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96155880 + ... + 96157481.

It is an arithmetic number, because the mean of its divisors is an integer number (18750552795).

Almost surely, 2^154043002161 is an apocalyptic number.

It is an amenable number.

154043002161 is a deficient number, since it is larger than the sum of its proper divisors (70963631379).

154043002161 is a wasteful number, since it uses less digits than its factorization.

154043002161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192313456 (or 192313453 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 154043002161 in words is "one hundred fifty-four billion, forty-three million, two thousand, one hundred sixty-one".