1452603990 has 32 divisors (see below), whose sum is σ = 3488106240. Its totient is φ = 387154784.

The previous prime is 1452603989. The next prime is 1452604001. The reversal of 1452603990 is 993062541.

It is a super-2 number, since 2×1452603990² = 4220116703527840200, which contains 22 as substring.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 49297 + ... + 73043.

It is an arithmetic number, because the mean of its divisors is an integer number (109003320).

Almost surely, 2^1452603990 is an apocalyptic number.

1452603990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1452603990 is an abundant number, since it is smaller than the sum of its proper divisors (2035502250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1452603990 is a wasteful number, since it uses less digits than its factorization.

1452603990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25796.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 1452603990 is about 38113.0422558998. The cubic root of 1452603990 is about 1132.5283377166.

The spelling of 1452603990 in words is "one billion, four hundred fifty-two million, six hundred three thousand, nine hundred ninety".