157030106 has 8 divisors (see below), whose sum is σ = 236384244. Its totient is φ = 78235360.

The previous prime is 157030103. The next prime is 157030121. The reversal of 157030106 is 601030751.

157030106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 156475081 + 555025 = 12509^2 + 745^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157030103) 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, 139145 + ... + 140268.

Almost surely, 2^157030106 is an apocalyptic number.

157030106 is a deficient number, since it is larger than the sum of its proper divisors (79354138).

157030106 is a wasteful number, since it uses less digits than its factorization.

157030106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279696.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 157030106 is about 12531.1653887418. The cubic root of 157030106 is about 539.5035515036.

Adding to 157030106 its reverse (601030751), we get a palindrome (758060857).

The spelling of 157030106 in words is "one hundred fifty-seven million, thirty thousand, one hundred six".