754142042 has 16 divisors (see below), whose sum is σ = 1170909000. Its totient is φ = 363854400.

The previous prime is 754142027. The next prime is 754142047. The reversal of 754142042 is 240241457.

It can be written as a sum of positive squares in 4 ways, for example, as 574608841 + 179533201 = 23971^2 + 13399^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 754141996 and 754142014.

It is not an unprimeable number, because it can be changed into a prime (754142047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145292 + ... + 150392.

Almost surely, 2^754142042 is an apocalyptic number.

754142042 is a deficient number, since it is larger than the sum of its proper divisors (416766958).

754142042 is a wasteful number, since it uses less digits than its factorization.

754142042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7681.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 754142042 is about 27461.6467459619. The cubic root of 754142042 is about 910.2298022860.

Adding to 754142042 its reverse (240241457), we get a palindrome (994383499).

The spelling of 754142042 in words is "seven hundred fifty-four million, one hundred forty-two thousand, forty-two".