1445455001412 has 36 divisors (see below), whose sum is σ = 3703840942620. Its totient is φ = 475218081792.

The previous prime is 1445455001411. The next prime is 1445455001479. The reversal of 1445455001412 is 2141005545441.

1445455001412 is a `hidden beast` number, since 1 + 4 + 4 + 5 + 4 + 5 + 500 + 141 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 364470593796 + 1080984407616 = 603714^2 + 1039704^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1445455001412² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1445455001411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275007837 + ... + 275013092.

Almost surely, 2^{1445455001412} is an apocalyptic number.

1445455001412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1445455001412 is an abundant number, since it is smaller than the sum of its proper divisors (2258385941208).

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

1445455001412 is a wasteful number, since it uses less digits than its factorization.

1445455001412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550021012 (or 550021007 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The spelling of 1445455001412 in words is "one trillion, four hundred forty-five billion, four hundred fifty-five million, one thousand, four hundred twelve".