132173745 has 24 divisors (see below), whose sum is σ = 232454208. Its totient is φ = 64083360.

The previous prime is 132173711. The next prime is 132173749. The reversal of 132173745 is 547371231.

It is not a de Polignac number, because 132173745 - 2¹² = 132169649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (132173749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34597 + ... + 38226.

It is an arithmetic number, because the mean of its divisors is an integer number (9685592).

Almost surely, 2^132173745 is an apocalyptic number.

132173745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

132173745 is a deficient number, since it is larger than the sum of its proper divisors (100280463).

132173745 is a wasteful number, since it uses less digits than its factorization.

132173745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72853 (or 72842 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 132173745 is about 11496.6840871618. The cubic root of 132173745 is about 509.3876348755.

The spelling of 132173745 in words is "one hundred thirty-two million, one hundred seventy-three thousand, seven hundred forty-five".