157105446 has 8 divisors (see below), whose sum is σ = 314210904. Its totient is φ = 52368480.

The previous prime is 157105423. The next prime is 157105447. The reversal of 157105446 is 644501751.

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

157105446 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157105447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13092115 + ... + 13092126.

It is an arithmetic number, because the mean of its divisors is an integer number (39276363).

Almost surely, 2^157105446 is an apocalyptic number.

157105446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157105446 is a wasteful number, since it uses less digits than its factorization.

157105446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26184246.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 157105446 is about 12534.1711333458. The cubic root of 157105446 is about 539.5898188229.

The spelling of 157105446 in words is "one hundred fifty-seven million, one hundred five thousand, four hundred forty-six".