141551431 has 4 divisors (see below), whose sum is σ = 161773072. Its totient is φ = 121329792.

The previous prime is 141551429. The next prime is 141551441. The reversal of 141551431 is 134155141.

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 141551431 - 2¹ = 141551429 is a prime.

It is a super-2 number, since 2×141551431² = 40073615236295522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141551396 and 141551405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141551441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10110810 + ... + 10110823.

It is an arithmetic number, because the mean of its divisors is an integer number (40443268).

Almost surely, 2^141551431 is an apocalyptic number.

141551431 is a deficient number, since it is larger than the sum of its proper divisors (20221641).

141551431 is an equidigital number, since it uses as much as digits as its factorization.

141551431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20221640.

The product of its digits is 1200, while the sum is 25.

The square root of 141551431 is about 11897.5388631431. The cubic root of 141551431 is about 521.1604151856.

The spelling of 141551431 in words is "one hundred forty-one million, five hundred fifty-one thousand, four hundred thirty-one".