30155251045 has 16 divisors (see below), whose sum is σ = 37302528240. Its totient is φ = 23384899584.

The previous prime is 30155251039. The next prime is 30155251097. The reversal of 30155251045 is 54015255103.

It can be written as a sum of positive squares in 8 ways, for example, as 449694436 + 29705556609 = 21206^2 + 172353^2 .

It is a cyclic number.

It is not a de Polignac number, because 30155251045 - 2³ = 30155251037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30155250998 and 30155251016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253212 + ... + 352741.

It is an arithmetic number, because the mean of its divisors is an integer number (2331408015).

Almost surely, 2^30155251045 is an apocalyptic number.

It is an amenable number.

30155251045 is a deficient number, since it is larger than the sum of its proper divisors (7147277195).

30155251045 is a wasteful number, since it uses less digits than its factorization.

30155251045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606264.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 30155251045 in words is "thirty billion, one hundred fifty-five million, two hundred fifty-one thousand, forty-five".