141155421 has 8 divisors (see below), whose sum is σ = 205317024. Its totient is φ = 85548720.

The previous prime is 141155411. The next prime is 141155449. The reversal of 141155421 is 124551141.

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

It is not a de Polignac number, because 141155421 - 2¹¹ = 141153373 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 141155391 and 141155400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141155401) 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, 2138686 + ... + 2138751.

It is an arithmetic number, because the mean of its divisors is an integer number (25664628).

Almost surely, 2^141155421 is an apocalyptic number.

141155421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

141155421 is a deficient number, since it is larger than the sum of its proper divisors (64161603).

141155421 is a wasteful number, since it uses less digits than its factorization.

141155421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4277451.

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

The square root of 141155421 is about 11880.8846892813. The cubic root of 141155421 is about 520.6739547811.

The spelling of 141155421 in words is "one hundred forty-one million, one hundred fifty-five thousand, four hundred twenty-one".