141142405 has 4 divisors (see below), whose sum is σ = 169370892. Its totient is φ = 112913920.

The previous prime is 141142399. The next prime is 141142409. The reversal of 141142405 is 504241141.

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

It can be written as a sum of positive squares in 2 ways, for example, as 88623396 + 52519009 = 9414^2 + 7247^2 .

It is not a de Polignac number, because 141142405 - 2¹¹ = 141140357 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 (141142409) 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, 14114236 + ... + 14114245.

It is an arithmetic number, because the mean of its divisors is an integer number (42342723).

Almost surely, 2^141142405 is an apocalyptic number.

It is an amenable number.

141142405 is a deficient number, since it is larger than the sum of its proper divisors (28228487).

141142405 is an equidigital number, since it uses as much as digits as its factorization.

141142405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28228486.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 141142405 is about 11880.3369059972. The cubic root of 141142405 is about 520.6579504353.

Adding to 141142405 its reverse (504241141), we get a palindrome (645383546).

The spelling of 141142405 in words is "one hundred forty-one million, one hundred forty-two thousand, four hundred five".