145443930 has 32 divisors (see below), whose sum is σ = 349389504. Its totient is φ = 38749056.

The previous prime is 145443913. The next prime is 145443941. The reversal of 145443930 is 39344541.

It is a junction number, because it is equal to n+sod(n) for n = 145443891 and 145443900.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 52254 + ... + 54966.

It is an arithmetic number, because the mean of its divisors is an integer number (10918422).

Almost surely, 2^145443930 is an apocalyptic number.

145443930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145443930 is an abundant number, since it is smaller than the sum of its proper divisors (203945574).

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

145443930 is a wasteful number, since it uses less digits than its factorization.

145443930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 145443930 is about 12060.0136815843. The cubic root of 145443930 is about 525.8943847668.

The spelling of 145443930 in words is "one hundred forty-five million, four hundred forty-three thousand, nine hundred thirty".