1450551998 has 48 divisors (see below), whose sum is σ = 2670595920. Its totient is φ = 587551104.

The previous prime is 1450551923. The next prime is 1450552003. The reversal of 1450551998 is 8991550541.

It is a happy number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1215290 + ... + 1216482.

It is an arithmetic number, because the mean of its divisors is an integer number (55637415).

Almost surely, 2^1450551998 is an apocalyptic number.

1450551998 is a deficient number, since it is larger than the sum of its proper divisors (1220043922).

1450551998 is a wasteful number, since it uses less digits than its factorization.

1450551998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881 (or 1874 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 47.

The square root of 1450551998 is about 38086.1129284678. The cubic root of 1450551998 is about 1131.9948052345.

The spelling of 1450551998 in words is "one billion, four hundred fifty million, five hundred fifty-one thousand, nine hundred ninety-eight".