145383303 has 16 divisors (see below), whose sum is σ = 221036256. Its totient is φ = 84203520.

The previous prime is 145383283. The next prime is 145383311. The reversal of 145383303 is 303383541.

It is not a de Polignac number, because 145383303 - 2⁶ = 145383239 is a prime.

It is a super-2 number, since 2×145383303² = 42272609582379618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145383803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108978 + ... + 110303.

It is an arithmetic number, because the mean of its divisors is an integer number (13814766).

Almost surely, 2^145383303 is an apocalyptic number.

145383303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145383303 is a deficient number, since it is larger than the sum of its proper divisors (75652953).

145383303 is a wasteful number, since it uses less digits than its factorization.

145383303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219314.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 145383303 is about 12057.4998652291. The cubic root of 145383303 is about 525.8213031562.

The spelling of 145383303 in words is "one hundred forty-five million, three hundred eighty-three thousand, three hundred three".