180701145 has 32 divisors (see below), whose sum is σ = 329091840. Its totient is φ = 94020480.

The previous prime is 180701141. The next prime is 180701161. The reversal of 180701145 is 541107081.

It is not a de Polignac number, because 180701145 - 2² = 180701141 is a prime.

It is a super-2 number, since 2×180701145² = 65305807608622050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (180701141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10789 + ... + 21858.

It is an arithmetic number, because the mean of its divisors is an integer number (10284120).

Almost surely, 2^180701145 is an apocalyptic number.

180701145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

180701145 is a deficient number, since it is larger than the sum of its proper divisors (148390695).

180701145 is a wasteful number, since it uses less digits than its factorization.

180701145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32702 (or 32696 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 180701145 is about 13442.5125999569. The cubic root of 180701145 is about 565.3537816139.

The spelling of 180701145 in words is "one hundred eighty million, seven hundred one thousand, one hundred forty-five".