145938259 has 8 divisors (see below), whose sum is σ = 157192640. Its totient is φ = 135041256.

The previous prime is 145938253. The next prime is 145938269. The reversal of 145938259 is 952839541.

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

It is a cyclic number.

It is not a de Polignac number, because 145938259 - 2⁵ = 145938227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145938253) 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, 88497 + ... + 90130.

It is an arithmetic number, because the mean of its divisors is an integer number (19649080).

Almost surely, 2^145938259 is an apocalyptic number.

145938259 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

145938259 is a deficient number, since it is larger than the sum of its proper divisors (11254381).

145938259 is a wasteful number, since it uses less digits than its factorization.

145938259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178689.

The product of its digits is 388800, while the sum is 46.

The square root of 145938259 is about 12080.4908426769. The cubic root of 145938259 is about 526.4895073015.

The spelling of 145938259 in words is "one hundred forty-five million, nine hundred thirty-eight thousand, two hundred fifty-nine".