30426545 has 8 divisors (see below), whose sum is σ = 36757800. Its totient is φ = 24177280.

The previous prime is 30426541. The next prime is 30426547. The reversal of 30426545 is 54562403.

It can be written as a sum of positive squares in 4 ways, for example, as 3625216 + 26801329 = 1904^2 + 5177^2 .

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

It is not a de Polignac number, because 30426545 - 2² = 30426541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30426541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19676 + ... + 21165.

It is an arithmetic number, because the mean of its divisors is an integer number (4594725).

Almost surely, 2^30426545 is an apocalyptic number.

It is an amenable number.

30426545 is a deficient number, since it is larger than the sum of its proper divisors (6331255).

30426545 is a wasteful number, since it uses less digits than its factorization.

30426545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40995.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 30426545 is about 5516.0261964570. The cubic root of 30426545 is about 312.1889641241.

Adding to 30426545 its reverse (54562403), we get a palindrome (84988948).

The spelling of 30426545 in words is "thirty million, four hundred twenty-six thousand, five hundred forty-five".