2042537745 has 8 divisors (see below), whose sum is σ = 3268060416. Its totient is φ = 1089353456.

The previous prime is 2042537741. The next prime is 2042537767. The reversal of 2042537745 is 5477352402.

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

It is a cyclic number.

It is not a de Polignac number, because 2042537745 - 2² = 2042537741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2042537741) 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, 68084577 + ... + 68084606.

It is an arithmetic number, because the mean of its divisors is an integer number (408507552).

Almost surely, 2^2042537745 is an apocalyptic number.

It is an amenable number.

2042537745 is a deficient number, since it is larger than the sum of its proper divisors (1225522671).

2042537745 is a wasteful number, since it uses less digits than its factorization.

2042537745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136169191.

The product of its (nonzero) digits is 235200, while the sum is 39.

The square root of 2042537745 is about 45194.4437403537. The cubic root of 2042537745 is about 1268.7908273240.

The spelling of 2042537745 in words is "two billion, forty-two million, five hundred thirty-seven thousand, seven hundred forty-five".