30461446157 has 4 divisors (see below), whose sum is σ = 30462329820. Its totient is φ = 30460562496.

The previous prime is 30461446153. The next prime is 30461446187. The reversal of 30461446157 is 75164416403.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17662144201 + 12799301956 = 132899^2 + 113134^2 .

It is a cyclic number.

It is not a de Polignac number, because 30461446157 - 2² = 30461446153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30461446153) 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, 387932 + ... + 459797.

It is an arithmetic number, because the mean of its divisors is an integer number (7615582455).

Almost surely, 2^30461446157 is an apocalyptic number.

It is an amenable number.

30461446157 is a deficient number, since it is larger than the sum of its proper divisors (883663).

30461446157 is an equidigital number, since it uses as much as digits as its factorization.

30461446157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883662.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 30461446157 in words is "thirty billion, four hundred sixty-one million, four hundred forty-six thousand, one hundred fifty-seven".