253043142 has 32 divisors (see below), whose sum is σ = 569908224. Its totient is φ = 74205600.

The previous prime is 253043107. The next prime is 253043143. The reversal of 253043142 is 241340352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253043143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59793 + ... + 63884.

It is an arithmetic number, because the mean of its divisors is an integer number (17809632).

Almost surely, 2^253043142 is an apocalyptic number.

253043142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

253043142 is an abundant number, since it is smaller than the sum of its proper divisors (316865082).

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

253043142 is a wasteful number, since it uses less digits than its factorization.

253043142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123724.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 253043142 is about 15907.3298199289. The cubic root of 253043142 is about 632.5063022801.

Adding to 253043142 its reverse (241340352), we get a palindrome (494383494).

The spelling of 253043142 in words is "two hundred fifty-three million, forty-three thousand, one hundred forty-two".