45273073 has 2 divisors, whose sum is σ = 45273074. Its totient is φ = 45273072.

The previous prime is 45273043. The next prime is 45273103. The reversal of 45273073 is 37037254.

It is a balanced prime because it is at equal distance from previous prime (45273043) and next prime (45273103).

It can be written as a sum of positive squares in only one way, i.e., 24039409 + 21233664 = 4903^2 + 4608^2 .

It is a cyclic number.

It is not a de Polignac number, because 45273073 - 2⁹ = 45272561 is a prime.

It is a super-2 number, since 2×45273073² = 4099302277726658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45273013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22636536 + 22636537.

It is an arithmetic number, because the mean of its divisors is an integer number (22636537).

Almost surely, 2^45273073 is an apocalyptic number.

It is an amenable number.

45273073 is a deficient number, since it is larger than the sum of its proper divisors (1).

45273073 is an equidigital number, since it uses as much as digits as its factorization.

45273073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 45273073 is about 6728.5268075560. The cubic root of 45273073 is about 356.4073552117.

The spelling of 45273073 in words is "forty-five million, two hundred seventy-three thousand, seventy-three".