154851 has 8 divisors (see below), whose sum is σ = 209664. Its totient is φ = 101640.

The previous prime is 154849. The next prime is 154871. The reversal of 154851 is 158451.

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

It is not a de Polignac number, because 154851 - 2¹ = 154849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154841) 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, 151 + ... + 576.

It is an arithmetic number, because the mean of its divisors is an integer number (26208).

2¹⁵⁴⁸⁵¹ is an apocalyptic number.

154851 is a deficient number, since it is larger than the sum of its proper divisors (54813).

154851 is an equidigital number, since it uses as much as digits as its factorization.

154851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801.

The product of its digits is 800, while the sum is 24.

The square root of 154851 is about 393.5111180132. The cubic root of 154851 is about 53.6996355339.

Subtracting 154851 from its reverse (158451), we obtain a square (3600 = 60²).

The spelling of 154851 in words is "one hundred fifty-four thousand, eight hundred fifty-one".