154869009155 has 32 divisors (see below), whose sum is σ = 224956279296. Its totient is φ = 99917581824.

The previous prime is 154869009151. The next prime is 154869009259. The reversal of 154869009155 is 551900968451.

It is a Cunningham number, because it is equal to 393534²-1.

It is a cyclic number.

It is not a de Polignac number, because 154869009155 - 2² = 154869009151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154869009097 and 154869009106.

It is not an unprimeable number, because it can be changed into a prime (154869009151) 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, 1928312 + ... + 2007018.

It is an arithmetic number, because the mean of its divisors is an integer number (7029883728).

Almost surely, 2^154869009155 is an apocalyptic number.

154869009155 is a deficient number, since it is larger than the sum of its proper divisors (70087270141).

154869009155 is a wasteful number, since it uses less digits than its factorization.

154869009155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82043.

The product of its (nonzero) digits is 1944000, while the sum is 53.

The spelling of 154869009155 in words is "one hundred fifty-four billion, eight hundred sixty-nine million, nine thousand, one hundred fifty-five".