131454445 has 8 divisors (see below), whose sum is σ = 166047840. Its totient is φ = 99628560.

The previous prime is 131454443. The next prime is 131454457. The reversal of 131454445 is 544454131.

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

It is not a de Polignac number, because 131454445 - 2¹ = 131454443 is a prime.

It is a super-2 number, since 2×131454445² = 34560542220516050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131454443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691771 + ... + 691960.

It is an arithmetic number, because the mean of its divisors is an integer number (20755980).

Almost surely, 2^131454445 is an apocalyptic number.

It is an amenable number.

131454445 is a deficient number, since it is larger than the sum of its proper divisors (34593395).

131454445 is a wasteful number, since it uses less digits than its factorization.

131454445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383755.

The product of its digits is 19200, while the sum is 31.

The square root of 131454445 is about 11465.3584767333. The cubic root of 131454445 is about 508.4619109190.

The spelling of 131454445 in words is "one hundred thirty-one million, four hundred fifty-four thousand, four hundred forty-five".