45452279 has 4 divisors (see below), whose sum is σ = 45504984. Its totient is φ = 45399576.

The previous prime is 45452273. The next prime is 45452291. The reversal of 45452279 is 97225454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97225454 = 2 ⋅48612727.

It is a cyclic number.

It is not a de Polignac number, because 45452279 - 2⁴ = 45452263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45452273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25037 + ... + 26790.

It is an arithmetic number, because the mean of its divisors is an integer number (11376246).

Almost surely, 2^45452279 is an apocalyptic number.

45452279 is a deficient number, since it is larger than the sum of its proper divisors (52705).

45452279 is an equidigital number, since it uses as much as digits as its factorization.

45452279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52704.

The product of its digits is 100800, while the sum is 38.

The square root of 45452279 is about 6741.8305377694. The cubic root of 45452279 is about 356.8769960210.

The spelling of 45452279 in words is "forty-five million, four hundred fifty-two thousand, two hundred seventy-nine".