1445452656120 has 672 divisors, whose sum is σ = 5421158895600. Its totient is φ = 346400271360.

The previous prime is 1445452656119. The next prime is 1445452656121. The reversal of 1445452656120 is 216562545441.

1445452656120 is a `hidden beast` number, since 1 + 4 + 4 + 5 + 4 + 5 + 26 + 5 + 612 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1445452656119) and next prime (1445452656121).

It is a super-3 number, since 3×1445452656120³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445452656121) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 314021739 + ... + 314026341.

Almost surely, 2^{1445452656120} is an apocalyptic number.

1445452656120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445452656120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2710579447800).

1445452656120 is an abundant number, since it is smaller than the sum of its proper divisors (3975706239480).

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

1445452656120 is a wasteful number, since it uses less digits than its factorization.

1445452656120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743 (or 4713 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 1445452656120 in words is "one trillion, four hundred forty-five billion, four hundred fifty-two million, six hundred fifty-six thousand, one hundred twenty".