40101045 has 16 divisors (see below), whose sum is σ = 67936320. Its totient is φ = 20129024.

The previous prime is 40101031. The next prime is 40101049. The reversal of 40101045 is 54010104.

It is a cyclic number.

It is not a de Polignac number, because 40101045 - 2¹¹ = 40098997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40101049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78375 + ... + 78884.

It is an arithmetic number, because the mean of its divisors is an integer number (4246020).

Almost surely, 2^40101045 is an apocalyptic number.

It is an amenable number.

40101045 is a deficient number, since it is larger than the sum of its proper divisors (27835275).

40101045 is a wasteful number, since it uses less digits than its factorization.

40101045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157284.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 40101045 is about 6332.5385904864. The cubic root of 40101045 is about 342.2829213880.

Adding to 40101045 its reverse (54010104), we get a palindrome (94111149).

The spelling of 40101045 in words is "forty million, one hundred one thousand, forty-five".