40162345 has 8 divisors (see below), whose sum is σ = 48242376. Its totient is φ = 32098176.

The previous prime is 40162321. The next prime is 40162399. The reversal of 40162345 is 54326104.

It can be written as a sum of positive squares in 4 ways, for example, as 16064064 + 24098281 = 4008^2 + 4909^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40162345 - 2¹⁷ = 40031273 is a prime.

It is a super-2 number, since 2×40162345² = 3226027911798050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2599 + ... + 9331.

It is an arithmetic number, because the mean of its divisors is an integer number (6030297).

Almost surely, 2^40162345 is an apocalyptic number.

It is an amenable number.

40162345 is a deficient number, since it is larger than the sum of its proper divisors (8080031).

40162345 is a wasteful number, since it uses less digits than its factorization.

40162345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7931.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 40162345 is about 6337.3768232606. The cubic root of 40162345 is about 342.4572415409.

Adding to 40162345 its reverse (54326104), we get a palindrome (94488449).

The spelling of 40162345 in words is "forty million, one hundred sixty-two thousand, three hundred forty-five".