157801106 has 8 divisors (see below), whose sum is σ = 250625340. Its totient is φ = 74259328.

The previous prime is 157801097. The next prime is 157801109. The reversal of 157801106 is 601108751.

It can be written as a sum of positive squares in 2 ways, for example, as 153536881 + 4264225 = 12391^2 + 2065^2 .

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

It is not an unprimeable number, because it can be changed into a prime (157801109) 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, 2320571 + ... + 2320638.

Almost surely, 2^157801106 is an apocalyptic number.

157801106 is a deficient number, since it is larger than the sum of its proper divisors (92824234).

157801106 is a wasteful number, since it uses less digits than its factorization.

157801106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641228.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 157801106 is about 12561.8910200654. The cubic root of 157801106 is about 540.3850774141.

Adding to 157801106 its reverse (601108751), we get a palindrome (758909857).

The spelling of 157801106 in words is "one hundred fifty-seven million, eight hundred one thousand, one hundred six".