157010782 has 4 divisors (see below), whose sum is σ = 235516176. Its totient is φ = 78505390.

The previous prime is 157010779. The next prime is 157010783. The reversal of 157010782 is 287010751.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157010783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39252694 + ... + 39252697.

It is an arithmetic number, because the mean of its divisors is an integer number (58879044).

Almost surely, 2^157010782 is an apocalyptic number.

157010782 is a deficient number, since it is larger than the sum of its proper divisors (78505394).

157010782 is an equidigital number, since it uses as much as digits as its factorization.

157010782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78505393.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 157010782 is about 12530.3943273945. The cubic root of 157010782 is about 539.4814203031.

Subtracting from 157010782 its sum of digits (31), we obtain a palindrome (157010751).

The spelling of 157010782 in words is "one hundred fifty-seven million, ten thousand, seven hundred eighty-two".