40145332 has 12 divisors (see below), whose sum is σ = 71749440. Its totient is φ = 19645496.

The previous prime is 40145321. The next prime is 40145353. The reversal of 40145332 is 23354104.

It is a super-2 number, since 2×40145332² = 3223295362780448, 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106582 + ... + 106957.

It is an arithmetic number, because the mean of its divisors is an integer number (5979120).

Almost surely, 2^40145332 is an apocalyptic number.

It is an amenable number.

40145332 is a deficient number, since it is larger than the sum of its proper divisors (31604108).

40145332 is a wasteful number, since it uses less digits than its factorization.

40145332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213590 (or 213588 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 40145332 is about 6336.0344064722. The cubic root of 40145332 is about 342.4088790933.

Adding to 40145332 its reverse (23354104), we get a palindrome (63499436).

The spelling of 40145332 in words is "forty million, one hundred forty-five thousand, three hundred thirty-two".