40151345 has 16 divisors (see below), whose sum is σ = 52027920. Its totient is φ = 29570304.

The previous prime is 40151339. The next prime is 40151347. The reversal of 40151345 is 54315104.

It can be written as a sum of positive squares in 8 ways, for example, as 22165264 + 17986081 = 4708^2 + 4241^2 .

It is a cyclic number.

It is not a de Polignac number, because 40151345 - 2¹² = 40147249 is a prime.

It is a super-2 number, since 2×40151345² = 3224261010618050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40151345.

It is not an unprimeable number, because it can be changed into a prime (40151347) 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, 35651 + ... + 36759.

It is an arithmetic number, because the mean of its divisors is an integer number (3251745).

Almost surely, 2^40151345 is an apocalyptic number.

It is an amenable number.

40151345 is a deficient number, since it is larger than the sum of its proper divisors (11876575).

40151345 is a wasteful number, since it uses less digits than its factorization.

40151345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 40151345 is about 6336.5088968611. The cubic root of 40151345 is about 342.4259736653.

Adding to 40151345 its reverse (54315104), we get a palindrome (94466449).

The spelling of 40151345 in words is "forty million, one hundred fifty-one thousand, three hundred forty-five".