2142404045 has 8 divisors (see below), whose sum is σ = 2572387296. Its totient is φ = 1712921616.

The previous prime is 2142403979. The next prime is 2142404057. The reversal of 2142404045 is 5404042412.

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 2142404045 - 2¹⁸ = 2142141901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115727 + ... + 132956.

It is an arithmetic number, because the mean of its divisors is an integer number (321548412).

Almost surely, 2^2142404045 is an apocalyptic number.

It is an amenable number.

2142404045 is a deficient number, since it is larger than the sum of its proper divisors (429983251).

2142404045 is a wasteful number, since it uses less digits than its factorization.

2142404045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250411.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 2142404045 is about 46286.1107136903. The cubic root of 2142404045 is about 1289.1411154782.

Adding to 2142404045 its reverse (5404042412), we get a palindrome (7546446457).

The spelling of 2142404045 in words is "two billion, one hundred forty-two million, four hundred four thousand, forty-five".