42910545 has 16 divisors (see below), whose sum is σ = 68765760. Its totient is φ = 22849344.

The previous prime is 42910513. The next prime is 42910561. The reversal of 42910545 is 54501924.

It is not a de Polignac number, because 42910545 - 2⁵ = 42910513 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9466 + ... + 13244.

It is an arithmetic number, because the mean of its divisors is an integer number (4297860).

Almost surely, 2^42910545 is an apocalyptic number.

It is an amenable number.

42910545 is a deficient number, since it is larger than the sum of its proper divisors (25855215).

42910545 is a wasteful number, since it uses less digits than its factorization.

42910545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 42910545 is about 6550.6140933503. The cubic root of 42910545 is about 350.0966943723.

The spelling of 42910545 in words is "forty-two million, nine hundred ten thousand, five hundred forty-five".