145803456 has 56 divisors (see below), whose sum is σ = 428640240. Its totient is φ = 48600576.

The previous prime is 145803433. The next prime is 145803467. The reversal of 145803456 is 654308541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 145803456.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40461 + ... + 43916.

It is an arithmetic number, because the mean of its divisors is an integer number (7654290).

Almost surely, 2^145803456 is an apocalyptic number.

145803456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145803456 is an abundant number, since it is smaller than the sum of its proper divisors (282836784).

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

145803456 is an equidigital number, since it uses as much as digits as its factorization.

145803456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84398 (or 84382 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 145803456 is about 12074.9101860014. The cubic root of 145803456 is about 526.3273514485.

The spelling of 145803456 in words is "one hundred forty-five million, eight hundred three thousand, four hundred fifty-six".