141428831 has 4 divisors (see below), whose sum is σ = 149748192. Its totient is φ = 133109472.

The previous prime is 141428827. The next prime is 141428839. The reversal of 141428831 is 138824141.

It is a happy number.

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 141428831 - 2² = 141428827 is a prime.

It is a super-2 number, since 2×141428831² = 40004228476053122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141428839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4159655 + ... + 4159688.

It is an arithmetic number, because the mean of its divisors is an integer number (37437048).

Almost surely, 2^141428831 is an apocalyptic number.

141428831 is a deficient number, since it is larger than the sum of its proper divisors (8319361).

141428831 is an equidigital number, since it uses as much as digits as its factorization.

141428831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8319360.

The product of its digits is 6144, while the sum is 32.

The square root of 141428831 is about 11892.3854209322. The cubic root of 141428831 is about 521.0099098840.

The spelling of 141428831 in words is "one hundred forty-one million, four hundred twenty-eight thousand, eight hundred thirty-one".