45272419 has 2 divisors, whose sum is σ = 45272420. Its totient is φ = 45272418.

The previous prime is 45272417. The next prime is 45272429. The reversal of 45272419 is 91427254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45272419 - 2¹ = 45272417 is a prime.

It is a super-2 number, since 2×45272419² = 4099183844223122, which contains 22 as substring.

Together with 45272417, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45272417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22636209 + 22636210.

It is an arithmetic number, because the mean of its divisors is an integer number (22636210).

Almost surely, 2^45272419 is an apocalyptic number.

45272419 is a deficient number, since it is larger than the sum of its proper divisors (1).

45272419 is an equidigital number, since it uses as much as digits as its factorization.

45272419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 34.

The square root of 45272419 is about 6728.4782083321. The cubic root of 45272419 is about 356.4056390221.

The spelling of 45272419 in words is "forty-five million, two hundred seventy-two thousand, four hundred nineteen".