157748512 has 12 divisors (see below), whose sum is σ = 310567446. Its totient is φ = 78874240.

The previous prime is 157748509. The next prime is 157748519. The reversal of 157748512 is 215847751.

It can be written as a sum of positive squares in only one way, i.e., 108243216 + 49505296 = 10404^2 + 7036^2 .

It is not an unprimeable number, because it can be changed into a prime (157748519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2464789 + ... + 2464852.

Almost surely, 2^157748512 is an apocalyptic number.

It is an amenable number.

157748512 is a deficient number, since it is larger than the sum of its proper divisors (152818934).

157748512 is an equidigital number, since it uses as much as digits as its factorization.

157748512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4929651 (or 4929643 counting only the distinct ones).

The product of its digits is 78400, while the sum is 40.

The square root of 157748512 is about 12559.7974505961. The cubic root of 157748512 is about 540.3250352264.

The spelling of 157748512 in words is "one hundred fifty-seven million, seven hundred forty-eight thousand, five hundred twelve".