147566391442 has 8 divisors (see below), whose sum is σ = 221353908300. Its totient is φ = 73781755344.

The previous prime is 147566391419. The next prime is 147566391451. The reversal of 147566391442 is 244193665741.

It can be written as a sum of positive squares in 2 ways, for example, as 110105176041 + 37461215401 = 331821^2 + 193549^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 147566391442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587217 + ... + 799972.

Almost surely, 2^147566391442 is an apocalyptic number.

147566391442 is a deficient number, since it is larger than the sum of its proper divisors (73787516858).

147566391442 is a wasteful number, since it uses less digits than its factorization.

147566391442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440380.

The product of its digits is 4354560, while the sum is 52.

The spelling of 147566391442 in words is "one hundred forty-seven billion, five hundred sixty-six million, three hundred ninety-one thousand, four hundred forty-two".