1145020030 has 64 divisors (see below), whose sum is σ = 2652549120. Its totient is φ = 345369600.

The previous prime is 1145020013. The next prime is 1145020031. The reversal of 1145020030 is 300205411.

It is a super-2 number, since 2×1145020030² = 2622141738202401800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1145019986 and 1145020013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145020031) 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 31 ways as a sum of consecutive naturals, for example, 115 + ... + 47854.

It is an arithmetic number, because the mean of its divisors is an integer number (41446080).

Almost surely, 2^1145020030 is an apocalyptic number.

1145020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145020030 is an abundant number, since it is smaller than the sum of its proper divisors (1507529090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145020030 is a wasteful number, since it uses less digits than its factorization.

1145020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48025.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1145020030 is about 33838.1446004358. The cubic root of 1145020030 is about 1046.1750569503.

Adding to 1145020030 its reverse (300205411), we get a palindrome (1445225441).

The spelling of 1145020030 in words is "one billion, one hundred forty-five million, twenty thousand, thirty".