141455521 has 8 divisors (see below), whose sum is σ = 150958080. Its totient is φ = 132084288.

The previous prime is 141455507. The next prime is 141455527. The reversal of 141455521 is 125554141.

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

It is not a de Polignac number, because 141455521 - 2⁷ = 141455393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 141455521.

It is not an unprimeable number, because it can be changed into a prime (141455527) 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, 30601 + ... + 34918.

It is an arithmetic number, because the mean of its divisors is an integer number (18869760).

Almost surely, 2^141455521 is an apocalyptic number.

It is an amenable number.

141455521 is a deficient number, since it is larger than the sum of its proper divisors (9502559).

141455521 is a wasteful number, since it uses less digits than its factorization.

141455521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65663.

The product of its digits is 4000, while the sum is 28.

The square root of 141455521 is about 11893.5075146064. The cubic root of 141455521 is about 521.0426822680.

The spelling of 141455521 in words is "one hundred forty-one million, four hundred fifty-five thousand, five hundred twenty-one".