1445090490 has 32 divisors (see below), whose sum is σ = 3853575360. Its totient is φ = 385357392.

The previous prime is 1445090489. The next prime is 1445090497. The reversal of 1445090490 is 940905441.

It is a happy number.

1445090490 is a `hidden beast` number, since 144 + 509 + 0 + 4 + 9 + 0 = 666.

It is a super-3 number, since 3×1445090490³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1445090497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2675824 + ... + 2676363.

It is an arithmetic number, because the mean of its divisors is an integer number (120424230).

Almost surely, 2^1445090490 is an apocalyptic number.

1445090490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1445090490 is an abundant number, since it is smaller than the sum of its proper divisors (2408484870).

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

1445090490 is a wasteful number, since it uses less digits than its factorization.

1445090490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352203 (or 5352197 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1445090490 is about 38014.3458446939. The cubic root of 1445090490 is about 1130.5723182249.

The spelling of 1445090490 in words is "one billion, four hundred forty-five million, ninety thousand, four hundred ninety".