45122419 has 2 divisors, whose sum is σ = 45122420. Its totient is φ = 45122418.

The previous prime is 45122401. The next prime is 45122447. The reversal of 45122419 is 91422154.

It is an a-pointer prime, because the next prime (45122447) can be obtained adding 45122419 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45122419 - 2⁷ = 45122291 is a prime.

It is a super-2 number, since 2×45122419² = 4072065392823122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45122449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22561209 + 22561210.

It is an arithmetic number, because the mean of its divisors is an integer number (22561210).

Almost surely, 2^45122419 is an apocalyptic number.

45122419 is a deficient number, since it is larger than the sum of its proper divisors (1).

45122419 is an equidigital number, since it uses as much as digits as its factorization.

45122419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

The square root of 45122419 is about 6717.3223087775. The cubic root of 45122419 is about 356.0115801266.

The spelling of 45122419 in words is "forty-five million, one hundred twenty-two thousand, four hundred nineteen".