147956573 has 4 divisors (see below), whose sum is σ = 147981120. Its totient is φ = 147932028.

The previous prime is 147956563. The next prime is 147956581. The reversal of 147956573 is 375659741.

It is a happy number.

147956573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 147956573 - 2⁸ = 147956317 is a prime.

It is a super-2 number, since 2×147956573² = 43782294987808658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147956563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3686 + ... + 17592.

It is an arithmetic number, because the mean of its divisors is an integer number (36995280).

Almost surely, 2^147956573 is an apocalyptic number.

It is an amenable number.

147956573 is a deficient number, since it is larger than the sum of its proper divisors (24547).

147956573 is a wasteful number, since it uses less digits than its factorization.

147956573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24546.

The product of its digits is 793800, while the sum is 47.

The square root of 147956573 is about 12163.7400909424. The cubic root of 147956573 is about 528.9055056624.

The spelling of 147956573 in words is "one hundred forty-seven million, nine hundred fifty-six thousand, five hundred seventy-three".