141544551 has 4 divisors (see below), whose sum is σ = 188726072. Its totient is φ = 94363032.

The previous prime is 141544489. The next prime is 141544603. The reversal of 141544551 is 155445141.

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

It is not a de Polignac number, because 141544551 - 2²² = 137350247 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 (141544451) 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, 23590756 + ... + 23590761.

It is an arithmetic number, because the mean of its divisors is an integer number (47181518).

Almost surely, 2^141544551 is an apocalyptic number.

141544551 is a deficient number, since it is larger than the sum of its proper divisors (47181521).

141544551 is an equidigital number, since it uses as much as digits as its factorization.

141544551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47181520.

The product of its digits is 8000, while the sum is 30.

The square root of 141544551 is about 11897.2497242010. The cubic root of 141544551 is about 521.1519715131.

Adding to 141544551 its reverse (155445141), we get a palindrome (296989692).

The spelling of 141544551 in words is "one hundred forty-one million, five hundred forty-four thousand, five hundred fifty-one".