3078145 has 16 divisors (see below), whose sum is σ = 4359168. Its totient is φ = 2041920.

The previous prime is 3078137. The next prime is 3078149. The reversal of 3078145 is 5418703.

3078145 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 3078145 - 2³ = 3078137 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3078149) 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, 334 + ... + 2503.

It is an arithmetic number, because the mean of its divisors is an integer number (272448).

It is a Proth number, since it is equal to 1503 ⋅ 2¹¹ + 1 and 1503 < 2¹¹.

Almost surely, 2^3078145 is an apocalyptic number.

3078145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3078145 is a deficient number, since it is larger than the sum of its proper divisors (1281023).

3078145 is a wasteful number, since it uses less digits than its factorization.

3078145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 3078145 is about 1754.4643057070. The cubic root of 3078145 is about 145.4665117404.

It can be divided in two parts, 3078 and 145, that added together give a palindrome (3223).

The spelling of 3078145 in words is "three million, seventy-eight thousand, one hundred forty-five".