42812354 has 8 divisors (see below), whose sum is σ = 69158460. Its totient is φ = 19759536.

The previous prime is 42812353. The next prime is 42812359. The reversal of 42812354 is 45321824.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40666129 + 2146225 = 6377^2 + 1465^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42812351) 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 3 ways as a sum of consecutive naturals, for example, 823289 + ... + 823340.

Almost surely, 2^42812354 is an apocalyptic number.

42812354 is a deficient number, since it is larger than the sum of its proper divisors (26346106).

42812354 is a wasteful number, since it uses less digits than its factorization.

42812354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646644.

The product of its digits is 7680, while the sum is 29.

The square root of 42812354 is about 6543.1150073952. The cubic root of 42812354 is about 349.8294516024.

The spelling of 42812354 in words is "forty-two million, eight hundred twelve thousand, three hundred fifty-four".