40226145 has 16 divisors (see below), whose sum is σ = 65418432. Its totient is φ = 21101760.

The previous prime is 40226119. The next prime is 40226159. The reversal of 40226145 is 54162204.

40226145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40226145 - 2¹¹ = 40224097 is a prime.

It is a super-2 number, since 2×40226145² = 3236285483122050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21067 + ... + 22896.

It is an arithmetic number, because the mean of its divisors is an integer number (4088652).

Almost surely, 2^40226145 is an apocalyptic number.

It is an amenable number.

40226145 is a deficient number, since it is larger than the sum of its proper divisors (25192287).

40226145 is a wasteful number, since it uses less digits than its factorization.

40226145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44032.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 40226145 is about 6342.4084542073. The cubic root of 40226145 is about 342.6384827251.

Adding to 40226145 its reverse (54162204), we get a palindrome (94388349).

The spelling of 40226145 in words is "forty million, two hundred twenty-six thousand, one hundred forty-five".