30146453 has 8 divisors (see below), whose sum is σ = 31547448. Its totient is φ = 28776384.

The previous prime is 30146447. The next prime is 30146471. The reversal of 30146453 is 35464103.

It can be written as a sum of positive squares in 4 ways, for example, as 4674244 + 25472209 = 2162^2 + 5047^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30146453 - 2⁴ = 30146437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30146443) 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, 5726 + ... + 9647.

It is an arithmetic number, because the mean of its divisors is an integer number (3943431).

Almost surely, 2^30146453 is an apocalyptic number.

It is an amenable number.

30146453 is a deficient number, since it is larger than the sum of its proper divisors (1400995).

30146453 is a wasteful number, since it uses less digits than its factorization.

30146453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15463.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 30146453 is about 5490.5785669636. The cubic root of 30146453 is about 311.2280561724.

The spelling of 30146453 in words is "thirty million, one hundred forty-six thousand, four hundred fifty-three".