30145462 has 8 divisors (see below), whose sum is σ = 45618696. Its totient is φ = 14939232.

The previous prime is 30145447. The next prime is 30145469. The reversal of 30145462 is 26454103.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30145469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66468 + ... + 66919.

It is an arithmetic number, because the mean of its divisors is an integer number (5702337).

Almost surely, 2^30145462 is an apocalyptic number.

30145462 is a deficient number, since it is larger than the sum of its proper divisors (15473234).

30145462 is a wasteful number, since it uses less digits than its factorization.

30145462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133502.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 30145462 is about 5490.4883207234. The cubic root of 30145462 is about 311.2246458167.

Adding to 30145462 its reverse (26454103), we get a palindrome (56599565).

The spelling of 30145462 in words is "thirty million, one hundred forty-five thousand, four hundred sixty-two".