1421574548 has 24 divisors (see below), whose sum is σ = 2575372800. Its totient is φ = 685788768.

The previous prime is 1421574541. The next prime is 1421574559. The reversal of 1421574548 is 8454751241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421574541) 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, 200561 + ... + 207527.

It is an arithmetic number, because the mean of its divisors is an integer number (107307200).

Almost surely, 2^1421574548 is an apocalyptic number.

It is an amenable number.

1421574548 is a deficient number, since it is larger than the sum of its proper divisors (1153798252).

1421574548 is a wasteful number, since it uses less digits than its factorization.

1421574548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8759 (or 8757 counting only the distinct ones).

The product of its digits is 179200, while the sum is 41.

The square root of 1421574548 is about 37703.7736572879. The cubic root of 1421574548 is about 1124.4061519004.

The spelling of 1421574548 in words is "one billion, four hundred twenty-one million, five hundred seventy-four thousand, five hundred forty-eight".