141561553 has 16 divisors (see below), whose sum is σ = 164799360. Its totient is φ = 119091456.

The previous prime is 141561529. The next prime is 141561559. The reversal of 141561553 is 355165141.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 141561553 - 2⁵ = 141561521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141561559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238425 + ... + 239017.

It is an arithmetic number, because the mean of its divisors is an integer number (10299960).

Almost surely, 2^141561553 is an apocalyptic number.

It is an amenable number.

141561553 is a deficient number, since it is larger than the sum of its proper divisors (23237807).

141561553 is an equidigital number, since it uses as much as digits as its factorization.

141561553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176.

The product of its digits is 9000, while the sum is 31.

The square root of 141561553 is about 11897.9642376333. The cubic root of 141561553 is about 521.1728371958.

The spelling of 141561553 in words is "one hundred forty-one million, five hundred sixty-one thousand, five hundred fifty-three".