42446131 has 8 divisors (see below), whose sum is σ = 52241504. Its totient is φ = 33583680.

The previous prime is 42446113. The next prime is 42446149. The reversal of 42446131 is 13164424.

It is an interprime number because it is at equal distance from previous prime (42446113) and next prime (42446149).

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

It is not a de Polignac number, because 42446131 - 2⁷ = 42446003 is a prime.

It is a super-2 number, since 2×42446131² = 3603348073738322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42446096 and 42446105.

It is not an unprimeable number, because it can be changed into a prime (42446101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233130 + ... + 233311.

It is an arithmetic number, because the mean of its divisors is an integer number (6530188).

Almost surely, 2^42446131 is an apocalyptic number.

42446131 is a deficient number, since it is larger than the sum of its proper divisors (9795373).

42446131 is a wasteful number, since it uses less digits than its factorization.

42446131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466461.

The product of its digits is 2304, while the sum is 25.

The square root of 42446131 is about 6515.0695314785. The cubic root of 42446131 is about 348.8290967077.

The spelling of 42446131 in words is "forty-two million, four hundred forty-six thousand, one hundred thirty-one".