44865546157 has 4 divisors (see below), whose sum is σ = 44879609376. Its totient is φ = 44851482940.

The previous prime is 44865546119. The next prime is 44865546221. The reversal of 44865546157 is 75164556844.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44865546157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44865546098 and 44865546107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44865546857) 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, 7026823 + ... + 7033204.

It is an arithmetic number, because the mean of its divisors is an integer number (11219902344).

Almost surely, 2^44865546157 is an apocalyptic number.

It is an amenable number.

44865546157 is a deficient number, since it is larger than the sum of its proper divisors (14063219).

44865546157 is a wasteful number, since it uses less digits than its factorization.

44865546157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14063218.

The product of its digits is 16128000, while the sum is 55.

The spelling of 44865546157 in words is "forty-four billion, eight hundred sixty-five million, five hundred forty-six thousand, one hundred fifty-seven".