40146003 has 16 divisors (see below), whose sum is σ = 59610240. Its totient is φ = 26703432.

The previous prime is 40145977. The next prime is 40146013. The reversal of 40146003 is 30064104.

It is not a de Polignac number, because 40146003 - 2¹⁸ = 39883859 is a prime.

It is a super-2 number, since 2×40146003² = 3223403113752018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40146013) 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, 12700 + ... + 15542.

It is an arithmetic number, because the mean of its divisors is an integer number (3725640).

Almost surely, 2^40146003 is an apocalyptic number.

40146003 is a deficient number, since it is larger than the sum of its proper divisors (19464237).

40146003 is a wasteful number, since it uses less digits than its factorization.

40146003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375 (or 3369 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 40146003 is about 6336.0873573523. The cubic root of 40146003 is about 342.4107867877.

The spelling of 40146003 in words is "forty million, one hundred forty-six thousand, three".