39444154 has 4 divisors (see below), whose sum is σ = 59166234. Its totient is φ = 19722076.

The previous prime is 39444151. The next prime is 39444161. The reversal of 39444154 is 45144493.

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

It can be written as a sum of positive squares in only one way, i.e., 36300625 + 3143529 = 6025^2 + 1773^2 .

It is not an unprimeable number, because it can be changed into a prime (39444151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9861037 + ... + 9861040.

Almost surely, 2^39444154 is an apocalyptic number.

39444154 is a deficient number, since it is larger than the sum of its proper divisors (19722080).

39444154 is a wasteful number, since it uses less digits than its factorization.

39444154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19722079.

The product of its digits is 34560, while the sum is 34.

The square root of 39444154 is about 6280.4581043105. The cubic root of 39444154 is about 340.4036555297.

The spelling of 39444154 in words is "thirty-nine million, four hundred forty-four thousand, one hundred fifty-four".