45400217 has 16 divisors (see below), whose sum is σ = 49610880. Its totient is φ = 41379072.

The previous prime is 45400211. The next prime is 45400231. The reversal of 45400217 is 71200454.

It is not a de Polignac number, because 45400217 - 2⁶ = 45400153 is a prime.

It is a super-2 number, since 2×45400217² = 4122359407294178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45400192 and 45400201.

It is not an unprimeable number, because it can be changed into a prime (45400211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126284 + ... + 126642.

It is an arithmetic number, because the mean of its divisors is an integer number (3100680).

Almost surely, 2^45400217 is an apocalyptic number.

It is an amenable number.

45400217 is a deficient number, since it is larger than the sum of its proper divisors (4210663).

45400217 is a wasteful number, since it uses less digits than its factorization.

45400217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 45400217 is about 6737.9683139653. The cubic root of 45400217 is about 356.7406858149.

The spelling of 45400217 in words is "forty-five million, four hundred thousand, two hundred seventeen".