145454803 has 8 divisors (see below), whose sum is σ = 156910208. Its totient is φ = 134037504.

The previous prime is 145454797. The next prime is 145454831. The reversal of 145454803 is 308454541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145454803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145454833) 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, 1326 + ... + 17107.

It is an arithmetic number, because the mean of its divisors is an integer number (19613776).

Almost surely, 2^145454803 is an apocalyptic number.

145454803 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145454803 is a deficient number, since it is larger than the sum of its proper divisors (11455405).

145454803 is a wasteful number, since it uses less digits than its factorization.

145454803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19053.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 145454803 is about 12060.4644603763. The cubic root of 145454803 is about 525.9074892605.

The spelling of 145454803 in words is "one hundred forty-five million, four hundred fifty-four thousand, eight hundred three".