44151601 has 24 divisors (see below), whose sum is σ = 52715880. Its totient is φ = 36589056.

The previous prime is 44151589. The next prime is 44151623. The reversal of 44151601 is 10615144.

It can be written as a sum of positive squares in 4 ways, for example, as 5400976 + 38750625 = 2324^2 + 6225^2 .

It is not a de Polignac number, because 44151601 - 2¹³ = 44143409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44151631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 531906 + ... + 531988.

It is an arithmetic number, because the mean of its divisors is an integer number (2196495).

Almost surely, 2^44151601 is an apocalyptic number.

It is an amenable number.

44151601 is a deficient number, since it is larger than the sum of its proper divisors (8564279).

44151601 is a wasteful number, since it uses less digits than its factorization.

44151601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 44151601 is about 6644.6671097956. The cubic root of 44151601 is about 353.4398265885.

Adding to 44151601 its reverse (10615144), we get a palindrome (54766745).

The spelling of 44151601 in words is "forty-four million, one hundred fifty-one thousand, six hundred one".