42514545 has 16 divisors (see below), whose sum is σ = 68104512. Its totient is φ = 22647360.

The previous prime is 42514541. The next prime is 42514553. The reversal of 42514545 is 54541524.

It is not a de Polignac number, because 42514545 - 2² = 42514541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42514541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21915 + ... + 23775.

It is an arithmetic number, because the mean of its divisors is an integer number (4256532).

Almost surely, 2^42514545 is an apocalyptic number.

It is an amenable number.

42514545 is a deficient number, since it is larger than the sum of its proper divisors (25589967).

42514545 is a wasteful number, since it uses less digits than its factorization.

42514545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392.

The product of its digits is 16000, while the sum is 30.

The square root of 42514545 is about 6520.3178603501. The cubic root of 42514545 is about 349.0164085081.

The spelling of 42514545 in words is "forty-two million, five hundred fourteen thousand, five hundred forty-five".