45320253 has 8 divisors (see below), whose sum is σ = 65920416. Its totient is φ = 27466800.

The previous prime is 45320251. The next prime is 45320257. The reversal of 45320253 is 35202354.

45320253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 45320253 - 2¹ = 45320251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45320251) by changing a digit.

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, 686638 + ... + 686703.

It is an arithmetic number, because the mean of its divisors is an integer number (8240052).

Almost surely, 2^45320253 is an apocalyptic number.

It is an amenable number.

45320253 is a deficient number, since it is larger than the sum of its proper divisors (20600163).

45320253 is a wasteful number, since it uses less digits than its factorization.

45320253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373355.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 45320253 is about 6732.0318626697. The cubic root of 45320253 is about 356.5311187065.

It can be divided in two parts, 453 and 20253, that added together give a triangular number (20706 = T₂₀₃).

The spelling of 45320253 in words is "forty-five million, three hundred twenty thousand, two hundred fifty-three".