1445456131 has 8 divisors (see below), whose sum is σ = 1653456384. Its totient is φ = 1237832520.

The previous prime is 1445456119. The next prime is 1445456149. The reversal of 1445456131 is 1316545441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1445456131 - 2⁹ = 1445455619 is a prime.

It is a super-2 number, since 2×1445456131² = 4178686853290978322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445456101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85885 + ... + 101326.

It is an arithmetic number, because the mean of its divisors is an integer number (206682048).

Almost surely, 2^1445456131 is an apocalyptic number.

1445456131 is a deficient number, since it is larger than the sum of its proper divisors (208000253).

1445456131 is a wasteful number, since it uses less digits than its factorization.

1445456131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188321.

The product of its digits is 28800, while the sum is 34.

The square root of 1445456131 is about 38019.1547907104. The cubic root of 1445456131 is about 1130.6676637496.

The spelling of 1445456131 in words is "one billion, four hundred forty-five million, four hundred fifty-six thousand, one hundred thirty-one".