145085530 has 16 divisors (see below), whose sum is σ = 262198944. Its totient is φ = 57802000.

The previous prime is 145085417. The next prime is 145085533. The reversal of 145085530 is 35580541.

It is a super-2 number, since 2×145085530² = 42099622030761800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145085492 and 145085501.

It is not an unprimeable number, because it can be changed into a prime (145085533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26392 + ... + 31411.

It is an arithmetic number, because the mean of its divisors is an integer number (16387434).

Almost surely, 2^145085530 is an apocalyptic number.

145085530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145085530 is a deficient number, since it is larger than the sum of its proper divisors (117113414).

145085530 is a wasteful number, since it uses less digits than its factorization.

145085530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58061.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 145085530 is about 12045.1454951777. The cubic root of 145085530 is about 525.4620633528.

The spelling of 145085530 in words is "one hundred forty-five million, eighty-five thousand, five hundred thirty".