30142264 has 8 divisors (see below), whose sum is σ = 56516760. Its totient is φ = 15071128.

The previous prime is 30142247. The next prime is 30142267. The reversal of 30142264 is 46224103.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30142267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1883884 + ... + 1883899.

It is an arithmetic number, because the mean of its divisors is an integer number (7064595).

Almost surely, 2^30142264 is an apocalyptic number.

It is an amenable number.

30142264 is a deficient number, since it is larger than the sum of its proper divisors (26374496).

30142264 is a wasteful number, since it uses less digits than its factorization.

30142264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767789 (or 3767785 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 30142264 is about 5490.1970820727. The cubic root of 30142264 is about 311.2136399411.

Adding to 30142264 its reverse (46224103), we get a palindrome (76366367).

The spelling of 30142264 in words is "thirty million, one hundred forty-two thousand, two hundred sixty-four".