145638327 has 12 divisors (see below), whose sum is σ = 199580136. Its totient is φ = 94465440.

The previous prime is 145638313. The next prime is 145638347. The reversal of 145638327 is 723836541.

It is not a de Polignac number, because 145638327 - 2¹¹ = 145636279 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145638347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13624 + ... + 21837.

It is an arithmetic number, because the mean of its divisors is an integer number (16631678).

Almost surely, 2^145638327 is an apocalyptic number.

145638327 is a deficient number, since it is larger than the sum of its proper divisors (53941809).

145638327 is an equidigital number, since it uses as much as digits as its factorization.

145638327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35538 (or 35501 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 145638327 is about 12068.0705582956. The cubic root of 145638327 is about 526.1285798902.

The spelling of 145638327 in words is "one hundred forty-five million, six hundred thirty-eight thousand, three hundred twenty-seven".