40144156 has 12 divisors (see below), whose sum is σ = 75656392. Its totient is φ = 18528048.

The previous prime is 40144103. The next prime is 40144183. The reversal of 40144156 is 65144104.

It is a super-3 number, since 3×40144156³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40144156.

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, 385950 + ... + 386053.

Almost surely, 2^40144156 is an apocalyptic number.

It is an amenable number.

40144156 is a deficient number, since it is larger than the sum of its proper divisors (35512236).

40144156 is a wasteful number, since it uses less digits than its factorization.

40144156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772020 (or 772018 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 40144156 is about 6335.9416032662. The cubic root of 40144156 is about 342.4055356014.

The spelling of 40144156 in words is "forty million, one hundred forty-four thousand, one hundred fifty-six".