45287119 has 2 divisors, whose sum is σ = 45287120. Its totient is φ = 45287118.

The previous prime is 45287113. The next prime is 45287129. The reversal of 45287119 is 91178254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45287119 - 2³ = 45287111 is a prime.

It is a super-2 number, since 2×45287119² = 4101846294640322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45287111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22643559 + 22643560.

It is an arithmetic number, because the mean of its divisors is an integer number (22643560).

Almost surely, 2^45287119 is an apocalyptic number.

45287119 is a deficient number, since it is larger than the sum of its proper divisors (1).

45287119 is an equidigital number, since it uses as much as digits as its factorization.

45287119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 37.

The square root of 45287119 is about 6729.5704914950. The cubic root of 45287119 is about 356.4442099376. Note that the first 3 decimals are identical.

It can be divided in two parts, 452 and 87119, that added together give a triangular number (87571 = T₄₁₈).

The spelling of 45287119 in words is "forty-five million, two hundred eighty-seven thousand, one hundred nineteen".