1445456511506 has 128 divisors (see below), whose sum is σ = 2711886718464. Its totient is φ = 563721338880.

The previous prime is 1445456511439. The next prime is 1445456511553. The reversal of 1445456511506 is 6051156545441.

It is a super-2 number, since 2×1445456511506² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 544016930 + ... + 544019586.

It is an arithmetic number, because the mean of its divisors is an integer number (21186614988).

Almost surely, 2^{1445456511506} is an apocalyptic number.

1445456511506 is a deficient number, since it is larger than the sum of its proper divisors (1266430206958).

1445456511506 is a wasteful number, since it uses less digits than its factorization.

1445456511506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204.

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 1445456511506 in words is "one trillion, four hundred forty-five billion, four hundred fifty-six million, five hundred eleven thousand, five hundred six".