157448 has 8 divisors (see below), whose sum is σ = 295230. Its totient is φ = 78720.

The previous prime is 157433. The next prime is 157457. The reversal of 157448 is 844751.

It can be written as a sum of positive squares in only one way, i.e., 88804 + 68644 = 298^2 + 262^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 157448.

It is an unprimeable number.

157448 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9833 + ... + 9848.

2¹⁵⁷⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

157448 is a deficient number, since it is larger than the sum of its proper divisors (137782).

157448 is a wasteful number, since it uses less digits than its factorization.

157448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19687 (or 19683 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 157448 is about 396.7971774093. The cubic root of 157448 is about 53.9981709486.

The spelling of 157448 in words is "one hundred fifty-seven thousand, four hundred forty-eight".