3090045 has 16 divisors (see below), whose sum is σ = 5650560. Its totient is φ = 1412544.

The previous prime is 3090019. The next prime is 3090067. The reversal of 3090045 is 5400903.

It is not a de Polignac number, because 3090045 - 2⁵ = 3090013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

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, 14610 + ... + 14819.

It is an arithmetic number, because the mean of its divisors is an integer number (353160).

Almost surely, 2^3090045 is an apocalyptic number.

3090045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3090045 is a deficient number, since it is larger than the sum of its proper divisors (2560515).

3090045 is a wasteful number, since it uses less digits than its factorization.

3090045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29444.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 3090045 is about 1757.8523828809. The cubic root of 3090045 is about 145.6537268262.

Adding to 3090045 its reverse (5400903), we get a palindrome (8490948).

The spelling of 3090045 in words is "three million, ninety thousand, forty-five".