145530834 has 32 divisors (see below), whose sum is σ = 302311680. Its totient is φ = 46669392.

The previous prime is 145530817. The next prime is 145530839. The reversal of 145530834 is 438035541.

145530834 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145530795 and 145530804.

It is not an unprimeable number, because it can be changed into a prime (145530839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13077 + ... + 21495.

It is an arithmetic number, because the mean of its divisors is an integer number (9447240).

Almost surely, 2^145530834 is an apocalyptic number.

145530834 is an abundant number, since it is smaller than the sum of its proper divisors (156780846).

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

145530834 is a wasteful number, since it uses less digits than its factorization.

145530834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8534.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 145530834 is about 12063.6161245292. The cubic root of 145530834 is about 525.9991060527. Note that the first 3 decimals are identical.

The spelling of 145530834 in words is "one hundred forty-five million, five hundred thirty thousand, eight hundred thirty-four".