141899042 has 4 divisors (see below), whose sum is σ = 212848566. Its totient is φ = 70949520.

The previous prime is 141899003. The next prime is 141899047. The reversal of 141899042 is 240998141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240998141 = 379 ⋅635879.

It can be written as a sum of positive squares in only one way, i.e., 105042001 + 36857041 = 10249^2 + 6071^2 .

It is a junction number, because it is equal to n+sod(n) for n = 141898987 and 141899005.

It is not an unprimeable number, because it can be changed into a prime (141899047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35474759 + ... + 35474762.

Almost surely, 2^141899042 is an apocalyptic number.

141899042 is a deficient number, since it is larger than the sum of its proper divisors (70949524).

141899042 is an equidigital number, since it uses as much as digits as its factorization.

141899042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70949523.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 141899042 is about 11912.1384310291. The cubic root of 141899042 is about 521.5866748614.

Subtracting 141899042 from its reverse (240998141), we obtain a palindrome (99099099).

The spelling of 141899042 in words is "one hundred forty-one million, eight hundred ninety-nine thousand, forty-two".