157738486 has 8 divisors (see below), whose sum is σ = 241642080. Its totient is φ = 77191128.

The previous prime is 157738457. The next prime is 157738487. The reversal of 157738486 is 684837751.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157738487) 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 in 3 ways as a sum of consecutive naturals, for example, 838941 + ... + 839128.

It is an arithmetic number, because the mean of its divisors is an integer number (30205260).

Almost surely, 2^157738486 is an apocalyptic number.

157738486 is a deficient number, since it is larger than the sum of its proper divisors (83903594).

157738486 is a wasteful number, since it uses less digits than its factorization.

157738486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678118.

The product of its digits is 1128960, while the sum is 49.

The square root of 157738486 is about 12559.3983136136. The cubic root of 157738486 is about 540.3135878631.

The spelling of 157738486 in words is "one hundred fifty-seven million, seven hundred thirty-eight thousand, four hundred eighty-six".