40612545 has 12 divisors (see below), whose sum is σ = 70395156. Its totient is φ = 21660000.

The previous prime is 40612543. The next prime is 40612547. The reversal of 40612545 is 54521604.

40612545 is a `hidden beast` number, since 4 + 0 + 612 + 5 + 45 = 666.

40612545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40612543) and next prime (40612547).

It can be written as a sum of positive squares in 2 ways, for example, as 32455809 + 8156736 = 5697^2 + 2856^2 .

It is not a de Polignac number, because 40612545 - 2¹ = 40612543 is a prime.

It is a super-2 number, since 2×40612545² = 3298757622754050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40612543) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 451206 + ... + 451295.

It is an arithmetic number, because the mean of its divisors is an integer number (5866263).

Almost surely, 2^40612545 is an apocalyptic number.

40612545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40612545 is a deficient number, since it is larger than the sum of its proper divisors (29782611).

40612545 is a wasteful number, since it uses less digits than its factorization.

40612545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902512 (or 902509 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 40612545 is about 6372.7972665071. The cubic root of 40612545 is about 343.7320819310.

It can be divided in two parts, 406125 and 45, that multiplied together give a square (18275625 = 4275²).

The spelling of 40612545 in words is "forty million, six hundred twelve thousand, five hundred forty-five".