145328847 has 8 divisors (see below), whose sum is σ = 194855040. Its totient is φ = 96344280.

The previous prime is 145328839. The next prime is 145328851. The reversal of 145328847 is 748823541.

145328847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145328847 - 2³ = 145328839 is a prime.

It is a super-2 number, since 2×145328847² = 42240947540698818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145328799 and 145328808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145328147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134779 + ... + 135852.

It is an arithmetic number, because the mean of its divisors is an integer number (24356880).

Almost surely, 2^145328847 is an apocalyptic number.

145328847 is a deficient number, since it is larger than the sum of its proper divisors (49526193).

145328847 is a wasteful number, since it uses less digits than its factorization.

145328847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270813.

The product of its digits is 215040, while the sum is 42.

The square root of 145328847 is about 12055.2414741473. The cubic root of 145328847 is about 525.7556429321.

The spelling of 145328847 in words is "one hundred forty-five million, three hundred twenty-eight thousand, eight hundred forty-seven".