1445906556 has 36 divisors (see below), whose sum is σ = 3660587112. Its totient is φ = 481222944.

The previous prime is 1445906537. The next prime is 1445906573. The reversal of 1445906556 is 6556095441.

1445906556 is a `hidden beast` number, since 1 + 4 + 4 + 5 + 90 + 6 + 556 = 666.

1445906556 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×1445906556² = 4181291537367562272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7246 + ... + 54261.

Almost surely, 2^1445906556 is an apocalyptic number.

It is an amenable number.

1445906556 is an abundant number, since it is smaller than the sum of its proper divisors (2214680556).

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

1445906556 is a wasteful number, since it uses less digits than its factorization.

1445906556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62170 (or 62165 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 1445906556 is about 38025.0779880857. The cubic root of 1445906556 is about 1130.7850956755.

The spelling of 1445906556 in words is "one billion, four hundred forty-five million, nine hundred six thousand, five hundred fifty-six".