30046145 has 8 divisors (see below), whose sum is σ = 36090600. Its totient is φ = 24013440.

The previous prime is 30046141. The next prime is 30046147. The reversal of 30046145 is 54164003.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12439729 + 17606416 = 3527^2 + 4196^2 .

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

It is not a de Polignac number, because 30046145 - 2² = 30046141 is a prime.

It is a super-2 number, since 2×30046145² = 1805541658722050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30046145.

It is not an unprimeable number, because it can be changed into a prime (30046141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4331 + ... + 8879.

It is an arithmetic number, because the mean of its divisors is an integer number (4511325).

Almost surely, 2^30046145 is an apocalyptic number.

It is an amenable number.

30046145 is a deficient number, since it is larger than the sum of its proper divisors (6044455).

30046145 is a wasteful number, since it uses less digits than its factorization.

30046145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5875.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 30046145 is about 5481.4363993391. The cubic root of 30046145 is about 310.8824836965.

The spelling of 30046145 in words is "thirty million, forty-six thousand, one hundred forty-five".