157448039 has 16 divisors (see below), whose sum is σ = 187508736. Its totient is φ = 129362400.

The previous prime is 157447981. The next prime is 157448051. The reversal of 157448039 is 930844751.

It is a cyclic number.

It is not a de Polignac number, because 157448039 - 2¹² = 157443943 is a prime.

It is a super-3 number, since 3×157448039³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157447987 and 157448005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157448059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19829 + ... + 26609.

It is an arithmetic number, because the mean of its divisors is an integer number (11719296).

Almost surely, 2^157448039 is an apocalyptic number.

157448039 is a deficient number, since it is larger than the sum of its proper divisors (30060697).

157448039 is a wasteful number, since it uses less digits than its factorization.

157448039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6926.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 157448039 is about 12547.8300514471. The cubic root of 157448039 is about 539.9817540703.

The spelling of 157448039 in words is "one hundred fifty-seven million, four hundred forty-eight thousand, thirty-nine".