154895348881 has 24 divisors (see below), whose sum is σ = 195858311040. Its totient is φ = 121409138592.

The previous prime is 154895348857. The next prime is 154895348891. The reversal of 154895348881 is 188843598451.

It is not a de Polignac number, because 154895348881 - 2¹³ = 154895340689 is a prime.

It is a super-2 number, since 2×154895348881² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (154895348821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1068121 + ... + 1204438.

It is an arithmetic number, because the mean of its divisors is an integer number (8160762960).

Almost surely, 2^154895348881 is an apocalyptic number.

It is an amenable number.

154895348881 is a deficient number, since it is larger than the sum of its proper divisors (40962962159).

154895348881 is a wasteful number, since it uses less digits than its factorization.

154895348881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272693 (or 2272686 counting only the distinct ones).

The product of its digits is 44236800, while the sum is 64.

The spelling of 154895348881 in words is "one hundred fifty-four billion, eight hundred ninety-five million, three hundred forty-eight thousand, eight hundred eighty-one".