147121418 has 8 divisors (see below), whose sum is σ = 220961412. Its totient is φ = 73467616.

The previous prime is 147121393. The next prime is 147121439. The reversal of 147121418 is 814121741.

It can be written as a sum of positive squares in 2 ways, for example, as 137898049 + 9223369 = 11743^2 + 3037^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44555 + ... + 47742.

Almost surely, 2^147121418 is an apocalyptic number.

147121418 is a deficient number, since it is larger than the sum of its proper divisors (73839994).

147121418 is an equidigital number, since it uses as much as digits as its factorization.

147121418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93096.

The product of its digits is 1792, while the sum is 29.

The square root of 147121418 is about 12129.3618133849. The cubic root of 147121418 is about 527.9084748190.

The spelling of 147121418 in words is "one hundred forty-seven million, one hundred twenty-one thousand, four hundred eighteen".