42144302 has 8 divisors (see below), whose sum is σ = 63604776. Its totient is φ = 20942712.

The previous prime is 42144301. The next prime is 42144307. The reversal of 42144302 is 20344124.

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

It is a super-2 number, since 2×42144302² = 3552284382134408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42144301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64313 + ... + 64964.

It is an arithmetic number, because the mean of its divisors is an integer number (7950597).

Almost surely, 2^42144302 is an apocalyptic number.

42144302 is a deficient number, since it is larger than the sum of its proper divisors (21460474).

42144302 is a wasteful number, since it uses less digits than its factorization.

42144302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129442.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 42144302 is about 6491.8642930979. The cubic root of 42144302 is about 348.0003027698. Note that the first 3 decimals are identical.

Adding to 42144302 its reverse (20344124), we get a palindrome (62488426).

The spelling of 42144302 in words is "forty-two million, one hundred forty-four thousand, three hundred two".