141978518 has 16 divisors (see below), whose sum is σ = 237733056. Its totient is φ = 63034440.

The previous prime is 141978497. The next prime is 141978541. The reversal of 141978518 is 815879141.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74096 + ... + 75987.

It is an arithmetic number, because the mean of its divisors is an integer number (14858316).

Almost surely, 2^141978518 is an apocalyptic number.

141978518 is a deficient number, since it is larger than the sum of its proper divisors (95754538).

141978518 is a wasteful number, since it uses less digits than its factorization.

141978518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150139.

The product of its digits is 80640, while the sum is 44.

The square root of 141978518 is about 11915.4738890235. The cubic root of 141978518 is about 521.6840348933.

The spelling of 141978518 in words is "one hundred forty-one million, nine hundred seventy-eight thousand, five hundred eighteen".