156045 has 16 divisors (see below), whose sum is σ = 254592. Its totient is φ = 81600.

The previous prime is 156041. The next prime is 156059. The reversal of 156045 is 540651.

It is a happy number.

It is not a de Polignac number, because 156045 - 2² = 156041 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 156045.

It is not an unprimeable number, because it can be changed into a prime (156041) 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, 1464 + ... + 1566.

It is an arithmetic number, because the mean of its divisors is an integer number (15912).

2¹⁵⁶⁰⁴⁵ is an apocalyptic number.

156045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

156045 is a deficient number, since it is larger than the sum of its proper divisors (98547).

156045 is a wasteful number, since it uses less digits than its factorization.

156045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 156045 is about 395.0253156445. The cubic root of 156045 is about 53.8373017892.

Adding to 156045 its reverse (540651), we get a palindrome (696696).

The spelling of 156045 in words is "one hundred fifty-six thousand, forty-five".