42045415 has 8 divisors (see below), whose sum is σ = 50818320. Its totient is φ = 33393792.

The previous prime is 42045323. The next prime is 42045427. The reversal of 42045415 is 51454024.

It is a happy number.

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 42045415 - 2⁹ = 42044903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42045415.

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, 29554 + ... + 30943.

It is an arithmetic number, because the mean of its divisors is an integer number (6352290).

Almost surely, 2^42045415 is an apocalyptic number.

42045415 is a deficient number, since it is larger than the sum of its proper divisors (8772905).

42045415 is a wasteful number, since it uses less digits than its factorization.

42045415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60641.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 42045415 is about 6484.2435950541. The cubic root of 42045415 is about 347.7279080477.

Adding to 42045415 its reverse (51454024), we get a palindrome (93499439).

The spelling of 42045415 in words is "forty-two million, forty-five thousand, four hundred fifteen".