42243452 has 24 divisors (see below), whose sum is σ = 77089152. Its totient is φ = 20232000.

The previous prime is 42243413. The next prime is 42243497. The reversal of 42243452 is 25434224.

It is a happy number.

It is a super-3 number, since 3×42243452³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent 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, 10838 + ... + 14210.

It is an arithmetic number, because the mean of its divisors is an integer number (3212048).

Almost surely, 2^42243452 is an apocalyptic number.

It is an amenable number.

42243452 is a deficient number, since it is larger than the sum of its proper divisors (34845700).

42243452 is a wasteful number, since it uses less digits than its factorization.

42243452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509 (or 3507 counting only the distinct ones).

The product of its digits is 7680, while the sum is 26.

The square root of 42243452 is about 6499.4962881750. The cubic root of 42243452 is about 348.2729944910.

Adding to 42243452 its reverse (25434224), we get a palindrome (67677676).

The spelling of 42243452 in words is "forty-two million, two hundred forty-three thousand, four hundred fifty-two".