180090453 has 16 divisors (see below), whose sum is σ = 243150336. Its totient is φ = 118552560.

The previous prime is 180090413. The next prime is 180090481. The reversal of 180090453 is 354090081.

It is not a de Polignac number, because 180090453 - 2⁹ = 180089941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 180090453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180090403) 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, 151126 + ... + 152312.

It is an arithmetic number, because the mean of its divisors is an integer number (15196896).

Almost surely, 2^180090453 is an apocalyptic number.

It is an amenable number.

180090453 is a deficient number, since it is larger than the sum of its proper divisors (63059883).

180090453 is a wasteful number, since it uses less digits than its factorization.

180090453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 180090453 is about 13419.7784258906. The cubic root of 180090453 is about 564.7161787485.

The spelling of 180090453 in words is "one hundred eighty million, ninety thousand, four hundred fifty-three".