1530320155 has 64 divisors (see below), whose sum is σ = 2316238848. Its totient is φ = 944939520.

The previous prime is 1530320137. The next prime is 1530320167. The reversal of 1530320155 is 5510230351.

It is not a de Polignac number, because 1530320155 - 2⁷ = 1530320027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4102549 + ... + 4102921.

It is an arithmetic number, because the mean of its divisors is an integer number (36191232).

Almost surely, 2^1530320155 is an apocalyptic number.

1530320155 is a deficient number, since it is larger than the sum of its proper divisors (785918693).

1530320155 is a wasteful number, since it uses less digits than its factorization.

1530320155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 1530320155 is about 39119.3066784165. The cubic root of 1530320155 is about 1152.3757201341.

The spelling of 1530320155 in words is "one billion, five hundred thirty million, three hundred twenty thousand, one hundred fifty-five".