141474521 has 4 divisors (see below), whose sum is σ = 141498852. Its totient is φ = 141450192.

The previous prime is 141474497. The next prime is 141474533. The reversal of 141474521 is 125474141.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104264521 + 37210000 = 10211^2 + 6100^2 .

It is a cyclic number.

It is not a de Polignac number, because 141474521 - 2²² = 137280217 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141474821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2255 + ... + 16971.

It is an arithmetic number, because the mean of its divisors is an integer number (35374713).

Almost surely, 2^141474521 is an apocalyptic number.

It is an amenable number.

141474521 is a deficient number, since it is larger than the sum of its proper divisors (24331).

141474521 is an equidigital number, since it uses as much as digits as its factorization.

141474521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24330.

The product of its digits is 4480, while the sum is 29.

The square root of 141474521 is about 11894.3062429046. The cubic root of 141474521 is about 521.0660096661.

The spelling of 141474521 in words is "one hundred forty-one million, four hundred seventy-four thousand, five hundred twenty-one".