157445573 has 8 divisors (see below), whose sum is σ = 158395416. Its totient is φ = 156499200.

The previous prime is 157445537. The next prime is 157445579. The reversal of 157445573 is 375544751.

157445573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4502884 + 152942689 = 2122^2 + 12367^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 157445573 - 2¹² = 157441477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 157445573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157445579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206513 + ... + 207273.

It is an arithmetic number, because the mean of its divisors is an integer number (19799427).

Almost surely, 2^157445573 is an apocalyptic number.

It is an amenable number.

157445573 is a deficient number, since it is larger than the sum of its proper divisors (949843).

157445573 is an equidigital number, since it uses as much as digits as its factorization.

157445573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735.

The product of its digits is 294000, while the sum is 41.

The square root of 157445573 is about 12547.7317870602. The cubic root of 157445573 is about 539.9789349350.

The spelling of 157445573 in words is "one hundred fifty-seven million, four hundred forty-five thousand, five hundred seventy-three".