145732175 has 6 divisors (see below), whose sum is σ = 180707928. Its totient is φ = 116585720.

The previous prime is 145732141. The next prime is 145732189. The reversal of 145732175 is 571237541.

It is not a de Polignac number, because 145732175 - 2¹⁶ = 145666639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2914619 + ... + 2914668.

It is an arithmetic number, because the mean of its divisors is an integer number (30117988).

Almost surely, 2^145732175 is an apocalyptic number.

145732175 is a deficient number, since it is larger than the sum of its proper divisors (34975753).

145732175 is an equidigital number, since it uses as much as digits as its factorization.

145732175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5829297 (or 5829292 counting only the distinct ones).

The product of its digits is 29400, while the sum is 35.

The square root of 145732175 is about 12071.9582090065. The cubic root of 145732175 is about 526.2415664324.

The spelling of 145732175 in words is "one hundred forty-five million, seven hundred thirty-two thousand, one hundred seventy-five".