145828905 has 8 divisors (see below), whose sum is σ = 233326272. Its totient is φ = 77775408.

The previous prime is 145828897. The next prime is 145828913. The reversal of 145828905 is 509828541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (145828897) and next prime (145828913).

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

It is not a de Polignac number, because 145828905 - 2³ = 145828897 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4860949 + ... + 4860978.

It is an arithmetic number, because the mean of its divisors is an integer number (29165784).

Almost surely, 2^145828905 is an apocalyptic number.

145828905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145828905 is a deficient number, since it is larger than the sum of its proper divisors (87497367).

145828905 is an equidigital number, since it uses as much as digits as its factorization.

145828905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9721935.

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 145828905 is about 12075.9639366802. The cubic root of 145828905 is about 526.3579719516.

The spelling of 145828905 in words is "one hundred forty-five million, eight hundred twenty-eight thousand, nine hundred five".