45273023 has 8 divisors (see below), whose sum is σ = 49051728. Its totient is φ = 41618304.

The previous prime is 45273017. The next prime is 45273037. The reversal of 45273023 is 32037254.

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

It is a cyclic number.

It is not a de Polignac number, because 45273023 - 2⁶ = 45272959 is a prime.

It is a super-2 number, since 2×45273023² = 4099293223117058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45272983 and 45273001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45273013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30236 + ... + 31697.

It is an arithmetic number, because the mean of its divisors is an integer number (6131466).

Almost surely, 2^45273023 is an apocalyptic number.

45273023 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

45273023 is a deficient number, since it is larger than the sum of its proper divisors (3778705).

45273023 is a wasteful number, since it uses less digits than its factorization.

45273023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61993.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 45273023 is about 6728.5230920314. The cubic root of 45273023 is about 356.4072240051.

The spelling of 45273023 in words is "forty-five million, two hundred seventy-three thousand, twenty-three".