45731419 has 2 divisors, whose sum is σ = 45731420. Its totient is φ = 45731418.

The previous prime is 45731401. The next prime is 45731449. The reversal of 45731419 is 91413754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45731419 - 2²⁵ = 12176987 is a prime.

It is a super-2 number, since 2×45731419² = 4182725367507122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45731449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22865709 + 22865710.

It is an arithmetic number, because the mean of its divisors is an integer number (22865710).

Almost surely, 2^45731419 is an apocalyptic number.

45731419 is a deficient number, since it is larger than the sum of its proper divisors (1).

45731419 is an equidigital number, since it uses as much as digits as its factorization.

45731419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 34.

The square root of 45731419 is about 6762.5009426986. The cubic root of 45731419 is about 357.6060786811.

The spelling of 45731419 in words is "forty-five million, seven hundred thirty-one thousand, four hundred nineteen".