180453146 has 16 divisors (see below), whose sum is σ = 287595360. Its totient is φ = 84677040.

The previous prime is 180453137. The next prime is 180453179. The reversal of 180453146 is 641354081.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18125 + ... + 26256.

It is an arithmetic number, because the mean of its divisors is an integer number (17974710).

Almost surely, 2^180453146 is an apocalyptic number.

180453146 is a deficient number, since it is larger than the sum of its proper divisors (107142214).

180453146 is a wasteful number, since it uses less digits than its factorization.

180453146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44509.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 180453146 is about 13433.2850040487. The cubic root of 180453146 is about 565.0950277420.

The spelling of 180453146 in words is "one hundred eighty million, four hundred fifty-three thousand, one hundred forty-six".