49023142 has 16 divisors (see below), whose sum is σ = 84130560. Its totient is φ = 20987208.

The previous prime is 49023133. The next prime is 49023179. The reversal of 49023142 is 24132094.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21409 + ... + 23587.

It is an arithmetic number, because the mean of its divisors is an integer number (5258160).

Almost surely, 2^49023142 is an apocalyptic number.

49023142 is a deficient number, since it is larger than the sum of its proper divisors (35107418).

49023142 is a wasteful number, since it uses less digits than its factorization.

49023142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 49023142 is about 7001.6528048740. The cubic root of 49023142 is about 365.9881698626.

It can be divided in two parts, 490 and 23142, that added together give a palindrome (23632).

The spelling of 49023142 in words is "forty-nine million, twenty-three thousand, one hundred forty-two".