154397873 has 12 divisors (see below), whose sum is σ = 187416000. Its totient is φ = 126586152.

The previous prime is 154397869. The next prime is 154397879. The reversal of 154397873 is 378793451.

It is not a de Polignac number, because 154397873 - 2² = 154397869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154397879) 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, 67373 + ... + 69626.

It is an arithmetic number, because the mean of its divisors is an integer number (15618000).

Almost surely, 2^154397873 is an apocalyptic number.

It is an amenable number.

154397873 is a deficient number, since it is larger than the sum of its proper divisors (33018127).

154397873 is a wasteful number, since it uses less digits than its factorization.

154397873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137036 (or 137029 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 154397873 is about 12425.6940651217. The cubic root of 154397873 is about 536.4720550403.

The spelling of 154397873 in words is "one hundred fifty-four million, three hundred ninety-seven thousand, eight hundred seventy-three".