1557148 has 6 divisors (see below), whose sum is σ = 2725016. Its totient is φ = 778572.

The previous prime is 1557137. The next prime is 1557151. The reversal of 1557148 is 8417551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194640 + ... + 194647.

2^1557148 is an apocalyptic number.

It is an amenable number.

1557148 is a deficient number, since it is larger than the sum of its proper divisors (1167868).

1557148 is a wasteful number, since it uses less digits than its factorization.

1557148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389291 (or 389289 counting only the distinct ones).

The product of its digits is 5600, while the sum is 31.

The square root of 1557148 is about 1247.8573636438. The cubic root of 1557148 is about 115.9070797689.

The spelling of 1557148 in words is "one million, five hundred fifty-seven thousand, one hundred forty-eight".