30141456 has 20 divisors (see below), whose sum is σ = 77865552. Its totient is φ = 10047136.

The previous prime is 30141407. The next prime is 30141457. The reversal of 30141456 is 65414103.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (30141457) 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, 313926 + ... + 314021.

Almost surely, 2^30141456 is an apocalyptic number.

It is an amenable number.

30141456 is an abundant number, since it is smaller than the sum of its proper divisors (47724096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30141456 is a wasteful number, since it uses less digits than its factorization.

30141456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627958 (or 627952 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 30141456 is about 5490.1234958788. The cubic root of 30141456 is about 311.2108590964.

Adding to 30141456 its reverse (65414103), we get a palindrome (95555559).

The spelling of 30141456 in words is "thirty million, one hundred forty-one thousand, four hundred fifty-six".