40351145 has 8 divisors (see below), whose sum is σ = 49451904. Its totient is φ = 31593904.

The previous prime is 40351141. The next prime is 40351147. The reversal of 40351145 is 54115304.

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 40351145 - 2² = 40351141 is a prime.

It is a super-2 number, since 2×40351145² = 3256429805622050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40351145.

It is not an unprimeable number, because it can be changed into a prime (40351141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85619 + ... + 86088.

It is an arithmetic number, because the mean of its divisors is an integer number (6181488).

Almost surely, 2^40351145 is an apocalyptic number.

It is an amenable number.

40351145 is a deficient number, since it is larger than the sum of its proper divisors (9100759).

40351145 is a wasteful number, since it uses less digits than its factorization.

40351145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171759.

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

The square root of 40351145 is about 6352.2551113758. The cubic root of 40351145 is about 342.9930243066.

Adding to 40351145 its reverse (54115304), we get a palindrome (94466449).

The spelling of 40351145 in words is "forty million, three hundred fifty-one thousand, one hundred forty-five".