1830153385 has 16 divisors (see below), whose sum is σ = 2258841600. Its totient is φ = 1422467136.

The previous prime is 1830153383. The next prime is 1830153419. The reversal of 1830153385 is 5833510381.

It is a cyclic number.

It is not a de Polignac number, because 1830153385 - 2¹ = 1830153383 is a prime.

It is a super-2 number, since 2×1830153385² = 6698922825253916450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (1830153383) by changing a digit.

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, 126136 + ... + 139894.

It is an arithmetic number, because the mean of its divisors is an integer number (141177600).

Almost surely, 2^1830153385 is an apocalyptic number.

It is an amenable number.

1830153385 is a deficient number, since it is larger than the sum of its proper divisors (428688215).

1830153385 is a wasteful number, since it uses less digits than its factorization.

1830153385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14520.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 1830153385 is about 42780.2920163012. The cubic root of 1830153385 is about 1223.1953736146.

The spelling of 1830153385 in words is "one billion, eight hundred thirty million, one hundred fifty-three thousand, three hundred eighty-five".