1452990338 has 4 divisors (see below), whose sum is σ = 2179485510. Its totient is φ = 726495168.

The previous prime is 1452990317. The next prime is 1452990361. The reversal of 1452990338 is 8330992541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1448030809 + 4959529 = 38053^2 + 2227^2 .

It is a super-2 number, since 2×1452990338² = 4222361844642708488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363247583 + ... + 363247586.

Almost surely, 2^1452990338 is an apocalyptic number.

1452990338 is a deficient number, since it is larger than the sum of its proper divisors (726495172).

1452990338 is an equidigital number, since it uses as much as digits as its factorization.

1452990338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726495171.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 1452990338 is about 38118.1103676455. The cubic root of 1452990338 is about 1132.6287347221.

The spelling of 1452990338 in words is "one billion, four hundred fifty-two million, nine hundred ninety thousand, three hundred thirty-eight".