147642443 has 4 divisors (see below), whose sum is σ = 158999568. Its totient is φ = 136285320.

The previous prime is 147642437. The next prime is 147642449. The reversal of 147642443 is 344246741.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (147642437) and next prime (147642449).

It is a cyclic number.

It is not a de Polignac number, because 147642443 - 2⁶ = 147642379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147642449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5678543 + ... + 5678568.

It is an arithmetic number, because the mean of its divisors is an integer number (39749892).

Almost surely, 2^147642443 is an apocalyptic number.

147642443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

147642443 is a deficient number, since it is larger than the sum of its proper divisors (11357125).

147642443 is a wasteful number, since it uses less digits than its factorization.

147642443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11357124.

The product of its digits is 64512, while the sum is 35.

The square root of 147642443 is about 12150.8206718723. The cubic root of 147642443 is about 528.5309299696.

The spelling of 147642443 in words is "one hundred forty-seven million, six hundred forty-two thousand, four hundred forty-three".