157144047 has 8 divisors (see below), whose sum is σ = 209631744. Its totient is φ = 104709528.

The previous prime is 157144037. The next prime is 157144049. The reversal of 157144047 is 740441751.

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

It is not a de Polignac number, because 157144047 - 2¹⁰ = 157143023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157143999 and 157144017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157144049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5793 + ... + 18650.

It is an arithmetic number, because the mean of its divisors is an integer number (26203968).

Almost surely, 2^157144047 is an apocalyptic number.

157144047 is a deficient number, since it is larger than the sum of its proper divisors (52487697).

157144047 is a wasteful number, since it uses less digits than its factorization.

157144047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26589.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 157144047 is about 12535.7108693524. The cubic root of 157144047 is about 539.6340078299.

Adding to 157144047 its reverse (740441751), we get a palindrome (897585798).

The spelling of 157144047 in words is "one hundred fifty-seven million, one hundred forty-four thousand, forty-seven".