141554221 has 8 divisors (see below), whose sum is σ = 144149504. Its totient is φ = 138967920.

The previous prime is 141554219. The next prime is 141554243. The reversal of 141554221 is 122455141.

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

It is a cyclic number.

It is not a de Polignac number, because 141554221 - 2¹ = 141554219 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 (141554201) 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, 35116 + ... + 38938.

It is an arithmetic number, because the mean of its divisors is an integer number (18018688).

Almost surely, 2^141554221 is an apocalyptic number.

It is an amenable number.

141554221 is a deficient number, since it is larger than the sum of its proper divisors (2595283).

141554221 is an equidigital number, since it uses as much as digits as its factorization.

141554221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491.

The product of its digits is 1600, while the sum is 25.

The square root of 141554221 is about 11897.6561137058. The cubic root of 141554221 is about 521.1638392131.

The spelling of 141554221 in words is "one hundred forty-one million, five hundred fifty-four thousand, two hundred twenty-one".