431687148 has 48 divisors (see below), whose sum is σ = 1034939136. Its totient is φ = 139970880.

The previous prime is 431687147. The next prime is 431687159. The reversal of 431687148 is 841786134.

It is not an unprimeable number, because it can be changed into a prime (431687147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134118 + ... + 137298.

It is an arithmetic number, because the mean of its divisors is an integer number (21561232).

Almost surely, 2^431687148 is an apocalyptic number.

It is an amenable number.

431687148 is an abundant number, since it is smaller than the sum of its proper divisors (603251988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431687148 is a wasteful number, since it uses less digits than its factorization.

431687148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494 (or 3492 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 431687148 is about 20777.0822783181. The cubic root of 431687148 is about 755.7701003026.

The spelling of 431687148 in words is "four hundred thirty-one million, six hundred eighty-seven thousand, one hundred forty-eight".