141878551 has 4 divisors (see below), whose sum is σ = 142899400. Its totient is φ = 140857704.

The previous prime is 141878507. The next prime is 141878579. The reversal of 141878551 is 155878141.

141878551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 141878551 - 2²⁷ = 7660823 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 (141878591) 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, 510216 + ... + 510493.

It is an arithmetic number, because the mean of its divisors is an integer number (35724850).

Almost surely, 2^141878551 is an apocalyptic number.

141878551 is a deficient number, since it is larger than the sum of its proper divisors (1020849).

141878551 is a wasteful number, since it uses less digits than its factorization.

141878551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020848.

The product of its digits is 44800, while the sum is 40.

The square root of 141878551 is about 11911.2783109119. The cubic root of 141878551 is about 521.5615669939.

The spelling of 141878551 in words is "one hundred forty-one million, eight hundred seventy-eight thousand, five hundred fifty-one".