30145353451 has 4 divisors (see below), whose sum is σ = 30146686504. Its totient is φ = 30144020400.

The previous prime is 30145353449. The next prime is 30145353457. The reversal of 30145353451 is 15435354103.

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

It is a cyclic number.

It is not a de Polignac number, because 30145353451 - 2¹ = 30145353449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30145353457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632010 + ... + 678031.

It is an arithmetic number, because the mean of its divisors is an integer number (7536671626).

Almost surely, 2^30145353451 is an apocalyptic number.

30145353451 is a deficient number, since it is larger than the sum of its proper divisors (1333053).

30145353451 is a wasteful number, since it uses less digits than its factorization.

30145353451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333052.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 30145353451 in words is "thirty billion, one hundred forty-five million, three hundred fifty-three thousand, four hundred fifty-one".