45272297 has 4 divisors (see below), whose sum is σ = 51739776. Its totient is φ = 38804820.

The previous prime is 45272287. The next prime is 45272317. The reversal of 45272297 is 79227254.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45272297 - 2¹⁶ = 45206761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45272297.

It is not an unprimeable number, because it can be changed into a prime (45272237) 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, 3233729 + ... + 3233742.

It is an arithmetic number, because the mean of its divisors is an integer number (12934944).

Almost surely, 2^45272297 is an apocalyptic number.

It is an amenable number.

45272297 is a deficient number, since it is larger than the sum of its proper divisors (6467479).

45272297 is an equidigital number, since it uses as much as digits as its factorization.

45272297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6467478.

The product of its digits is 70560, while the sum is 38.

The square root of 45272297 is about 6728.4691423830. The cubic root of 45272297 is about 356.4053188748.

The spelling of 45272297 in words is "forty-five million, two hundred seventy-two thousand, two hundred ninety-seven".