42144354 has 32 divisors (see below), whose sum is σ = 107034240. Its totient is φ = 12041136.

The previous prime is 42144353. The next prime is 42144391. The reversal of 42144354 is 45344124.

It is a happy number.

It is a super-2 number, since 2×42144354² = 3552293148154632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42144353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55369 + ... + 56124.

It is an arithmetic number, because the mean of its divisors is an integer number (3344820).

Almost surely, 2^42144354 is an apocalyptic number.

42144354 is an abundant number, since it is smaller than the sum of its proper divisors (64889886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42144354 is a wasteful number, since it uses less digits than its factorization.

42144354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111511 (or 111505 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 42144354 is about 6491.8682981096. The cubic root of 42144354 is about 348.0004458972. Note that the first 3 decimals are identical.

Adding to 42144354 its reverse (45344124), we get a palindrome (87488478).

The spelling of 42144354 in words is "forty-two million, one hundred forty-four thousand, three hundred fifty-four".