145706180 has 24 divisors (see below), whose sum is σ = 308847168. Its totient is φ = 57736928.

The previous prime is 145706177. The next prime is 145706207. The reversal of 145706180 is 81607541.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31904 + ... + 36183.

It is an arithmetic number, because the mean of its divisors is an integer number (12868632).

Almost surely, 2^145706180 is an apocalyptic number.

145706180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145706180 is an abundant number, since it is smaller than the sum of its proper divisors (163140988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145706180 is a wasteful number, since it uses less digits than its factorization.

145706180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68203 (or 68201 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 145706180 is about 12070.8814922523. The cubic root of 145706180 is about 526.2102750973.

The spelling of 145706180 in words is "one hundred forty-five million, seven hundred six thousand, one hundred eighty".