157448398 has 4 divisors (see below), whose sum is σ = 236172600. Its totient is φ = 78724198.

The previous prime is 157448359. The next prime is 157448399. The reversal of 157448398 is 893844751.

157448398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157448399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39362098 + ... + 39362101.

It is an arithmetic number, because the mean of its divisors is an integer number (59043150).

Almost surely, 2^157448398 is an apocalyptic number.

157448398 is a deficient number, since it is larger than the sum of its proper divisors (78724202).

157448398 is an equidigital number, since it uses as much as digits as its factorization.

157448398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78724201.

The product of its digits is 967680, while the sum is 49.

The square root of 157448398 is about 12547.8443567013. The cubic root of 157448398 is about 539.9821644772.

It can be divided in two parts, 15744 and 8398, that added together give a palindrome (24142).

The spelling of 157448398 in words is "one hundred fifty-seven million, four hundred forty-eight thousand, three hundred ninety-eight".