44146387 has 4 divisors (see below), whose sum is σ = 45570496. Its totient is φ = 42722280.

The previous prime is 44146379. The next prime is 44146409. The reversal of 44146387 is 78364144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44146387 - 2³ = 44146379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44146307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712008 + ... + 712069.

It is an arithmetic number, because the mean of its divisors is an integer number (11392624).

Almost surely, 2^44146387 is an apocalyptic number.

44146387 is a deficient number, since it is larger than the sum of its proper divisors (1424109).

44146387 is a wasteful number, since it uses less digits than its factorization.

44146387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424108.

The product of its digits is 64512, while the sum is 37.

The square root of 44146387 is about 6644.2747535002. The cubic root of 44146387 is about 353.4259131043.

It can be divided in two parts, 4414 and 6387, that added together give a palindrome (10801).

The spelling of 44146387 in words is "forty-four million, one hundred forty-six thousand, three hundred eighty-seven".