42299465 has 8 divisors (see below), whose sum is σ = 54664008. Its totient is φ = 31236480.

The previous prime is 42299449. The next prime is 42299497. The reversal of 42299465 is 56499224.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1607824 + 40691641 = 1268^2 + 6379^2 .

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

It is not a de Polignac number, because 42299465 - 2⁴ = 42299449 is a prime.

It is a Duffinian 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, 325316 + ... + 325445.

It is an arithmetic number, because the mean of its divisors is an integer number (6833001).

Almost surely, 2^42299465 is an apocalyptic number.

It is an amenable number.

42299465 is a deficient number, since it is larger than the sum of its proper divisors (12364543).

42299465 is a wasteful number, since it uses less digits than its factorization.

42299465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650779.

The product of its digits is 155520, while the sum is 41.

The square root of 42299465 is about 6503.8038869572. The cubic root of 42299465 is about 348.4268581747.

The spelling of 42299465 in words is "forty-two million, two hundred ninety-nine thousand, four hundred sixty-five".