40150645 has 8 divisors (see below), whose sum is σ = 49842360. Its totient is φ = 31012800.

The previous prime is 40150637. The next prime is 40150679. The reversal of 40150645 is 54605104.

40150645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16589329 + 23561316 = 4073^2 + 4854^2 .

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

It is not a de Polignac number, because 40150645 - 2³ = 40150637 is a prime.

It is a super-2 number, since 2×40150645² = 3224148587832050, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 138306 + ... + 138595.

It is an arithmetic number, because the mean of its divisors is an integer number (6230295).

Almost surely, 2^40150645 is an apocalyptic number.

It is an amenable number.

40150645 is a deficient number, since it is larger than the sum of its proper divisors (9691715).

40150645 is a wasteful number, since it uses less digits than its factorization.

40150645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276935.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 40150645 is about 6336.4536611578. The cubic root of 40150645 is about 342.4239836981.

Adding to 40150645 its reverse (54605104), we get a palindrome (94755749).

The spelling of 40150645 in words is "forty million, one hundred fifty thousand, six hundred forty-five".