145083393 has 56 divisors (see below), whose sum is σ = 267846208. Its totient is φ = 76527504.

The previous prime is 145083371. The next prime is 145083413. The reversal of 145083393 is 393380541.

It is not a de Polignac number, because 145083393 - 2⁵ = 145083361 is a prime.

It is a nialpdrome in base 9.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (145083293) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 11160255 + ... + 11160267.

It is an arithmetic number, because the mean of its divisors is an integer number (4782968).

Almost surely, 2^145083393 is an apocalyptic number.

145083393 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145083393 is a deficient number, since it is larger than the sum of its proper divisors (122762815).

145083393 is an frugal number, since it uses more digits than its factorization.

145083393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 145083393 is about 12045.0567869147. The cubic root of 145083393 is about 525.4594834540.

The spelling of 145083393 in words is "one hundred forty-five million, eighty-three thousand, three hundred ninety-three".