141479749 has 4 divisors (see below), whose sum is σ = 145303564. Its totient is φ = 137655936.

The previous prime is 141479747. The next prime is 141479759. The reversal of 141479749 is 947974141.

It is a happy number.

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 112211649 + 29268100 = 10593^2 + 5410^2 .

It is a cyclic number.

It is not a de Polignac number, because 141479749 - 2¹ = 141479747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141479699 and 141479708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141479747) 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, 1911852 + ... + 1911925.

It is an arithmetic number, because the mean of its divisors is an integer number (36325891).

Almost surely, 2^141479749 is an apocalyptic number.

It is an amenable number.

141479749 is a deficient number, since it is larger than the sum of its proper divisors (3823815).

141479749 is an equidigital number, since it uses as much as digits as its factorization.

141479749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823814.

The product of its digits is 254016, while the sum is 46.

The square root of 141479749 is about 11894.5260098921. The cubic root of 141479749 is about 521.0724280174.

The spelling of 141479749 in words is "one hundred forty-one million, four hundred seventy-nine thousand, seven hundred forty-nine".