40752045 has 16 divisors (see below), whose sum is σ = 72448320. Its totient is φ = 21734352.

The previous prime is 40752037. The next prime is 40752097. The reversal of 40752045 is 54025704.

It is not a de Polignac number, because 40752045 - 2³ = 40752037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150799 + ... + 151068.

It is an arithmetic number, because the mean of its divisors is an integer number (4528020).

Almost surely, 2^40752045 is an apocalyptic number.

40752045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40752045 is a deficient number, since it is larger than the sum of its proper divisors (31696275).

40752045 is a wasteful number, since it uses less digits than its factorization.

40752045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301881 (or 301875 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 40752045 is about 6383.7328421543. The cubic root of 40752045 is about 344.1251938632.

Adding to 40752045 its reverse (54025704), we get a palindrome (94777749).

The spelling of 40752045 in words is "forty million, seven hundred fifty-two thousand, forty-five".