1445555650 has 96 divisors (see below), whose sum is σ = 3368355840. Its totient is φ = 448392000.

The previous prime is 1445555623. The next prime is 1445555653. The reversal of 1445555650 is 565555441.

It is a super-2 number, since 2×1445555650² = 4179262274493845000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1445555653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 919365 + ... + 920935.

It is an arithmetic number, because the mean of its divisors is an integer number (35087040).

Almost surely, 2^1445555650 is an apocalyptic number.

1445555650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1445555650 is an abundant number, since it is smaller than the sum of its proper divisors (1922800190).

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

1445555650 is a wasteful number, since it uses less digits than its factorization.

1445555650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840 (or 1835 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 40.

The square root of 1445555650 is about 38020.4635689782. The cubic root of 1445555650 is about 1130.6936118063.

The spelling of 1445555650 in words is "one billion, four hundred forty-five million, five hundred fifty-five thousand, six hundred fifty".