131044145 has 8 divisors (see below), whose sum is σ = 158077440. Its totient is φ = 104285680.

The previous prime is 131044129. The next prime is 131044153. The reversal of 131044145 is 541440131.

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

It is not a de Polignac number, because 131044145 - 2⁴ = 131044129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131044145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67655 + ... + 69564.

It is an arithmetic number, because the mean of its divisors is an integer number (19759680).

Almost surely, 2^131044145 is an apocalyptic number.

It is an amenable number.

131044145 is a deficient number, since it is larger than the sum of its proper divisors (27033295).

131044145 is a wasteful number, since it uses less digits than its factorization.

131044145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137415.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 131044145 is about 11447.4514630987. The cubic root of 131044145 is about 507.9323501479.

Adding to 131044145 its reverse (541440131), we get a palindrome (672484276).

The spelling of 131044145 in words is "one hundred thirty-one million, forty-four thousand, one hundred forty-five".