147421443 has 8 divisors (see below), whose sum is σ = 211682128. Its totient is φ = 90720864.

The previous prime is 147421429. The next prime is 147421447. The reversal of 147421443 is 344124741.

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

It is not a de Polignac number, because 147421443 - 2⁵ = 147421411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147421443.

It is not an unprimeable number, because it can be changed into a prime (147421447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1889980 + ... + 1890057.

It is an arithmetic number, because the mean of its divisors is an integer number (26460266).

Almost surely, 2^147421443 is an apocalyptic number.

147421443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

147421443 is a deficient number, since it is larger than the sum of its proper divisors (64260685).

147421443 is a wasteful number, since it uses less digits than its factorization.

147421443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780053.

The product of its digits is 10752, while the sum is 30.

The square root of 147421443 is about 12141.7232302503. The cubic root of 147421443 is about 528.2670860910.

The spelling of 147421443 in words is "one hundred forty-seven million, four hundred twenty-one thousand, four hundred forty-three".