141975542 has 4 divisors (see below), whose sum is σ = 212963316. Its totient is φ = 70987770.

The previous prime is 141975523. The next prime is 141975557. The reversal of 141975542 is 245579141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245579141 = 9811 ⋅25031.

It is a junction number, because it is equal to n+sod(n) for n = 141975496 and 141975505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35493884 + ... + 35493887.

It is an arithmetic number, because the mean of its divisors is an integer number (53240829).

Almost surely, 2^141975542 is an apocalyptic number.

141975542 is a deficient number, since it is larger than the sum of its proper divisors (70987774).

141975542 is an equidigital number, since it uses as much as digits as its factorization.

141975542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70987773.

The product of its digits is 50400, while the sum is 38.

The square root of 141975542 is about 11915.3490087366. The cubic root of 141975542 is about 521.6803898758.

The spelling of 141975542 in words is "one hundred forty-one million, nine hundred seventy-five thousand, five hundred forty-two".