30425142 has 16 divisors (see below), whose sum is σ = 66382272. Its totient is φ = 9219720.

The previous prime is 30425111. The next prime is 30425149. The reversal of 30425142 is 24152403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30425149) 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, 230428 + ... + 230559.

It is an arithmetic number, because the mean of its divisors is an integer number (4148892).

Almost surely, 2^30425142 is an apocalyptic number.

30425142 is an abundant number, since it is smaller than the sum of its proper divisors (35957130).

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

30425142 is a wasteful number, since it uses less digits than its factorization.

30425142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461003.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 30425142 is about 5515.8990201054. The cubic root of 30425142 is about 312.1841655965.

Adding to 30425142 its reverse (24152403), we get a palindrome (54577545).

The spelling of 30425142 in words is "thirty million, four hundred twenty-five thousand, one hundred forty-two".