42245145734 has 16 divisors (see below), whose sum is σ = 69146528256. Its totient is φ = 19197309000.

The previous prime is 42245145731. The next prime is 42245145749. The reversal of 42245145734 is 43754154224.

It is a junction number, because it is equal to n+sod(n) for n = 42245145691 and 42245145700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42245145731) 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, 164942 + ... + 334209.

It is an arithmetic number, because the mean of its divisors is an integer number (4321658016).

Almost surely, 2^42245145734 is an apocalyptic number.

42245145734 is a deficient number, since it is larger than the sum of its proper divisors (26901382522).

42245145734 is a wasteful number, since it uses less digits than its factorization.

42245145734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503011.

The product of its digits is 537600, while the sum is 41.

Adding to 42245145734 its reverse (43754154224), we get a palindrome (85999299958).

The spelling of 42245145734 in words is "forty-two billion, two hundred forty-five million, one hundred forty-five thousand, seven hundred thirty-four".