147556641 has 16 divisors (see below), whose sum is σ = 211507200. Its totient is φ = 91209168.

The previous prime is 147556639. The next prime is 147556649. The reversal of 147556641 is 146655741.

It is not a de Polignac number, because 147556641 - 2¹ = 147556639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147556641.

It is not an unprimeable number, because it can be changed into a prime (147556649) 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 15 ways as a sum of consecutive naturals, for example, 24861 + ... + 30218.

It is an arithmetic number, because the mean of its divisors is an integer number (13219200).

Almost surely, 2^147556641 is an apocalyptic number.

It is an amenable number.

147556641 is a deficient number, since it is larger than the sum of its proper divisors (63950559).

147556641 is a wasteful number, since it uses less digits than its factorization.

147556641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55148.

The product of its digits is 100800, while the sum is 39.

The square root of 147556641 is about 12147.2894507376. The cubic root of 147556641 is about 528.4285253638.

The spelling of 147556641 in words is "one hundred forty-seven million, five hundred fifty-six thousand, six hundred forty-one".