147456442 has 8 divisors (see below), whose sum is σ = 252782496. Its totient is φ = 63195612.

The previous prime is 147456383. The next prime is 147456443. The reversal of 147456442 is 244654741.

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

It is not an unprimeable number, because it can be changed into a prime (147456443) by changing a digit.

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, 5266288 + ... + 5266315.

It is an arithmetic number, because the mean of its divisors is an integer number (31597812).

Almost surely, 2^147456442 is an apocalyptic number.

147456442 is a deficient number, since it is larger than the sum of its proper divisors (105326054).

147456442 is a wasteful number, since it uses less digits than its factorization.

147456442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10532612.

The product of its digits is 107520, while the sum is 37.

The square root of 147456442 is about 12143.1644145997. The cubic root of 147456442 is about 528.3088876915.

The spelling of 147456442 in words is "one hundred forty-seven million, four hundred fifty-six thousand, four hundred forty-two".