157144333 has 4 divisors (see below), whose sum is σ = 157169628. Its totient is φ = 157119040.

The previous prime is 157144331. The next prime is 157144369. The reversal of 157144333 is 333441751.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 333441751 = 16633 ⋅20047.

It can be written as a sum of positive squares in 2 ways, for example, as 33200644 + 123943689 = 5762^2 + 11133^2 .

It is a cyclic number.

It is not a de Polignac number, because 157144333 - 2¹ = 157144331 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157144295 and 157144304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157144331) 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, 3813 + ... + 18133.

It is an arithmetic number, because the mean of its divisors is an integer number (39292407).

Almost surely, 2^157144333 is an apocalyptic number.

It is an amenable number.

157144333 is a deficient number, since it is larger than the sum of its proper divisors (25295).

157144333 is a wasteful number, since it uses less digits than its factorization.

157144333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25294.

The product of its digits is 15120, while the sum is 31.

The square root of 157144333 is about 12535.7222767577. The cubic root of 157144333 is about 539.6343352052.

The spelling of 157144333 in words is "one hundred fifty-seven million, one hundred forty-four thousand, three hundred thirty-three".