45189254 has 8 divisors (see below), whose sum is σ = 73946088. Its totient is φ = 20540560.

The previous prime is 45189253. The next prime is 45189271. The reversal of 45189254 is 45298154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45189251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027007 + ... + 1027050.

It is an arithmetic number, because the mean of its divisors is an integer number (9243261).

Almost surely, 2^45189254 is an apocalyptic number.

45189254 is a deficient number, since it is larger than the sum of its proper divisors (28756834).

45189254 is a wasteful number, since it uses less digits than its factorization.

45189254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054070.

The product of its digits is 57600, while the sum is 38.

The square root of 45189254 is about 6722.2952925322. The cubic root of 45189254 is about 356.1872673370.

Subtracting 45189254 from its reverse (45298154), we obtain a square (108900 = 330²).

The spelling of 45189254 in words is "forty-five million, one hundred eighty-nine thousand, two hundred fifty-four".