147442544 has 10 divisors (see below), whose sum is σ = 285669960. Its totient is φ = 73721264.

The previous prime is 147442523. The next prime is 147442549. The reversal of 147442544 is 445244741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147442549) 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 as a sum of consecutive naturals, namely, 4607564 + ... + 4607595.

It is an arithmetic number, because the mean of its divisors is an integer number (28566996).

Almost surely, 2^147442544 is an apocalyptic number.

It is an amenable number.

147442544 is a deficient number, since it is larger than the sum of its proper divisors (138227416).

147442544 is an equidigital number, since it uses as much as digits as its factorization.

147442544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9215167 (or 9215161 counting only the distinct ones).

The product of its digits is 71680, while the sum is 35.

The square root of 147442544 is about 12142.5921450076. The cubic root of 147442544 is about 528.2922891907.

The spelling of 147442544 in words is "one hundred forty-seven million, four hundred forty-two thousand, five hundred forty-four".