42053146 has 4 divisors (see below), whose sum is σ = 63079722. Its totient is φ = 21026572.

The previous prime is 42053113. The next prime is 42053147. The reversal of 42053146 is 64135024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24117921 + 17935225 = 4911^2 + 4235^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42053146.

It is not an unprimeable number, because it can be changed into a prime (42053147) 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 as a sum of consecutive naturals, namely, 10513285 + ... + 10513288.

Almost surely, 2^42053146 is an apocalyptic number.

42053146 is a deficient number, since it is larger than the sum of its proper divisors (21026576).

42053146 is a wasteful number, since it uses less digits than its factorization.

42053146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21026575.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 42053146 is about 6484.8397050351. The cubic root of 42053146 is about 347.7492192870.

The spelling of 42053146 in words is "forty-two million, fifty-three thousand, one hundred forty-six".