30157445746 has 4 divisors (see below), whose sum is σ = 45236168622. Its totient is φ = 15078722872.

The previous prime is 30157445743. The next prime is 30157445789. The reversal of 30157445746 is 64754475103.

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

It can be written as a sum of positive squares in only one way, i.e., 16889861521 + 13267584225 = 129961^2 + 115185^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30157445696 and 30157445705.

It is not an unprimeable number, because it can be changed into a prime (30157445743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7539361435 + ... + 7539361438.

Almost surely, 2^30157445746 is an apocalyptic number.

30157445746 is a deficient number, since it is larger than the sum of its proper divisors (15078722876).

30157445746 is a wasteful number, since it uses less digits than its factorization.

30157445746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15078722875.

The product of its (nonzero) digits is 1411200, while the sum is 46.

The spelling of 30157445746 in words is "thirty billion, one hundred fifty-seven million, four hundred forty-five thousand, seven hundred forty-six".