45273270 has 32 divisors (see below), whose sum is σ = 124178688. Its totient is φ = 10348128.

The previous prime is 45273251. The next prime is 45273287. The reversal of 45273270 is 7237254.

45273270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 107584 + ... + 108003.

It is an arithmetic number, because the mean of its divisors is an integer number (3880584).

Almost surely, 2^45273270 is an apocalyptic number.

45273270 is an abundant number, since it is smaller than the sum of its proper divisors (78905418).

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

45273270 is a wasteful number, since it uses less digits than its factorization.

45273270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215604.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 45273270 is about 6728.5414467030. The cubic root of 45273270 is about 356.4078721647.

The spelling of 45273270 in words is "forty-five million, two hundred seventy-three thousand, two hundred seventy".