1457681228 has 24 divisors (see below), whose sum is σ = 2588528880. Its totient is φ = 718122240.

The previous prime is 1457681179. The next prime is 1457681231. The reversal of 1457681228 is 8221867541.

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, 383843 + ... + 387621.

It is an arithmetic number, because the mean of its divisors is an integer number (107855370).

Almost surely, 2^1457681228 is an apocalyptic number.

It is an amenable number.

1457681228 is a deficient number, since it is larger than the sum of its proper divisors (1130847652).

1457681228 is a wasteful number, since it uses less digits than its factorization.

1457681228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5177 (or 5175 counting only the distinct ones).

The product of its digits is 215040, while the sum is 44.

The square root of 1457681228 is about 38179.5917736164. The cubic root of 1457681228 is about 1133.8462994678.

The spelling of 1457681228 in words is "one billion, four hundred fifty-seven million, six hundred eighty-one thousand, two hundred twenty-eight".