40445625145 has 8 divisors (see below), whose sum is σ = 48537118656. Its totient is φ = 32354921136.

The previous prime is 40445625137. The next prime is 40445625163. The reversal of 40445625145 is 54152654404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40445625145 - 2³ = 40445625137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40445625098 and 40445625107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78117 + ... + 294946.

It is an arithmetic number, because the mean of its divisors is an integer number (6067139832).

Almost surely, 2^40445625145 is an apocalyptic number.

It is an amenable number.

40445625145 is a deficient number, since it is larger than the sum of its proper divisors (8091493511).

40445625145 is a wasteful number, since it uses less digits than its factorization.

40445625145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394751.

The product of its (nonzero) digits is 384000, while the sum is 40.

The spelling of 40445625145 in words is "forty billion, four hundred forty-five million, six hundred twenty-five thousand, one hundred forty-five".