154401143 has 8 divisors (see below), whose sum is σ = 166589808. Its totient is φ = 142257024.

The previous prime is 154401131. The next prime is 154401167. The reversal of 154401143 is 341104451.

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

It is not a de Polignac number, because 154401143 - 2⁴ = 154401127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154401343) 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, 3746 + ... + 17967.

It is an arithmetic number, because the mean of its divisors is an integer number (20823726).

Almost surely, 2^154401143 is an apocalyptic number.

154401143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

154401143 is a deficient number, since it is larger than the sum of its proper divisors (12188665).

154401143 is a wasteful number, since it uses less digits than its factorization.

154401143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22273.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 154401143 is about 12425.8256466120. The cubic root of 154401143 is about 536.4758423361.

Adding to 154401143 its reverse (341104451), we get a palindrome (495505594).

The spelling of 154401143 in words is "one hundred fifty-four million, four hundred one thousand, one hundred forty-three".