30041445 has 32 divisors (see below), whose sum is σ = 55222272. Its totient is φ = 13660992.

The previous prime is 30041441. The next prime is 30041461. The reversal of 30041445 is 54414003.

It is not a de Polignac number, because 30041445 - 2² = 30041441 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30041441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22774 + ... + 24056.

It is an arithmetic number, because the mean of its divisors is an integer number (1725696).

Almost surely, 2^30041445 is an apocalyptic number.

30041445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30041445 is a deficient number, since it is larger than the sum of its proper divisors (25180827).

30041445 is a wasteful number, since it uses less digits than its factorization.

30041445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 30041445 is about 5481.0076628299. The cubic root of 30041445 is about 310.8662728108.

Adding to 30041445 its reverse (54414003), we get a palindrome (84455448).

The spelling of 30041445 in words is "thirty million, forty-one thousand, four hundred forty-five".