165132345 has 16 divisors (see below), whose sum is σ = 301956480. Its totient is φ = 75489024.

The previous prime is 165132329. The next prime is 165132347. The reversal of 165132345 is 543231561.

It is not a de Polignac number, because 165132345 - 2⁴ = 165132329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165132347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786240 + ... + 786449.

It is an arithmetic number, because the mean of its divisors is an integer number (18872280).

Almost surely, 2^165132345 is an apocalyptic number.

165132345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165132345 is a deficient number, since it is larger than the sum of its proper divisors (136824135).

165132345 is a wasteful number, since it uses less digits than its factorization.

165132345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572704.

The product of its digits is 10800, while the sum is 30.

The square root of 165132345 is about 12850.3830682202. The cubic root of 165132345 is about 548.6272598360.

The spelling of 165132345 in words is "one hundred sixty-five million, one hundred thirty-two thousand, three hundred forty-five".