154861617101 has 8 divisors (see below), whose sum is σ = 161602107264. Its totient is φ = 148121741680.

The previous prime is 154861617091. The next prime is 154861617103. The reversal of 154861617101 is 101716168451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154861617101 is a prime.

It is a super-2 number, since 2×154861617101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154861617103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404240 + ... + 687846.

It is an arithmetic number, because the mean of its divisors is an integer number (20200263408).

Almost surely, 2^154861617101 is an apocalyptic number.

It is an amenable number.

154861617101 is a deficient number, since it is larger than the sum of its proper divisors (6740490163).

154861617101 is a wasteful number, since it uses less digits than its factorization.

154861617101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307371.

The product of its (nonzero) digits is 40320, while the sum is 41.

The spelling of 154861617101 in words is "one hundred fifty-four billion, eight hundred sixty-one million, six hundred seventeen thousand, one hundred one".