1421554532 has 24 divisors (see below), whose sum is σ = 2503694592. Its totient is φ = 706226400.

The previous prime is 1421554513. The next prime is 1421554543. The reversal of 1421554532 is 2354551241.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

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, 588407 + ... + 590817.

It is an arithmetic number, because the mean of its divisors is an integer number (104320608).

Almost surely, 2^1421554532 is an apocalyptic number.

It is an amenable number.

1421554532 is a deficient number, since it is larger than the sum of its proper divisors (1082140060).

1421554532 is a wasteful number, since it uses less digits than its factorization.

1421554532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299 (or 3297 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 1421554532 is about 37703.5082187321. The cubic root of 1421554532 is about 1124.4008746020.

The spelling of 1421554532 in words is "one billion, four hundred twenty-one million, five hundred fifty-four thousand, five hundred thirty-two".