45012145 has 8 divisors (see below), whose sum is σ = 54665856. Its totient is φ = 35575536.

The previous prime is 45012139. The next prime is 45012151. The reversal of 45012145 is 54121054.

It is an interprime number because it is at equal distance from previous prime (45012139) and next prime (45012151).

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 45012145 - 2¹³ = 45003953 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

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, 53817 + ... + 54646.

It is an arithmetic number, because the mean of its divisors is an integer number (6833232).

Almost surely, 2^45012145 is an apocalyptic number.

It is an amenable number.

45012145 is a deficient number, since it is larger than the sum of its proper divisors (9653711).

45012145 is a wasteful number, since it uses less digits than its factorization.

45012145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108551.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 45012145 is about 6709.1091062823. The cubic root of 45012145 is about 355.7213264368.

Adding to 45012145 its reverse (54121054), we get a palindrome (99133199).

The spelling of 45012145 in words is "forty-five million, twelve thousand, one hundred forty-five".