437148842 has 16 divisors (see below), whose sum is σ = 730515240. Its totient is φ = 194803392.

The previous prime is 437148841. The next prime is 437148851. The reversal of 437148842 is 248841734.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 401160841 + 35988001 = 20029^2 + 5999^2 .

It is a super-2 number, since 2×437148842² = 382198220123881928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 437148842.

It is not an unprimeable number, because it can be changed into a prime (437148841) 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, 289133 + ... + 290640.

Almost surely, 2^437148842 is an apocalyptic number.

437148842 is a deficient number, since it is larger than the sum of its proper divisors (293366398).

437148842 is a wasteful number, since it uses less digits than its factorization.

437148842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579817.

The product of its digits is 172032, while the sum is 41.

The square root of 437148842 is about 20908.1046965047. The cubic root of 437148842 is about 758.9440795535.

The spelling of 437148842 in words is "four hundred thirty-seven million, one hundred forty-eight thousand, eight hundred forty-two".