1234145042 has 8 divisors (see below), whose sum is σ = 1993618956. Its totient is φ = 569605392.

The previous prime is 1234145023. The next prime is 1234145047. The reversal of 1234145042 is 2405414321.

It can be written as a sum of positive squares in 2 ways, for example, as 1111622281 + 122522761 = 33341^2 + 11069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1234145042² = 3046227969386363528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 47467117 = 1234145042 / (1 + 2 + 3 + 4 + 1 + 4 + 5 + 0 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (1234145047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23733533 + ... + 23733584.

Almost surely, 2^1234145042 is an apocalyptic number.

1234145042 is a deficient number, since it is larger than the sum of its proper divisors (759473914).

1234145042 is a wasteful number, since it uses less digits than its factorization.

1234145042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47467132.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1234145042 is about 35130.4005385649. The cubic root of 1234145042 is about 1072.6434890781.

Adding to 1234145042 its reverse (2405414321), we get a palindrome (3639559363).

The spelling of 1234145042 in words is "one billion, two hundred thirty-four million, one hundred forty-five thousand, forty-two".