1065455445450 has 48 divisors (see below), whose sum is σ = 2882541282336. Its totient is φ = 258292228800.

The previous prime is 1065455445443. The next prime is 1065455445479. The reversal of 1065455445450 is 545445545601.

It is a happy number.

1065455445450 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1065455445450² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1065455445450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322863637 + ... + 322866936.

It is an arithmetic number, because the mean of its divisors is an integer number (60052943382).

Almost surely, 2^{1065455445450} is an apocalyptic number.

1065455445450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1065455445450 is an abundant number, since it is smaller than the sum of its proper divisors (1817085836886).

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

1065455445450 is a wasteful number, since it uses less digits than its factorization.

1065455445450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645730599 (or 645730594 counting only the distinct ones).

The product of its (nonzero) digits is 4800000, while the sum is 48.

The spelling of 1065455445450 in words is "one trillion, sixty-five billion, four hundred fifty-five million, four hundred forty-five thousand, four hundred fifty".