444151145 has 8 divisors (see below), whose sum is σ = 547386504. Its totient is φ = 345717504.

The previous prime is 444151139. The next prime is 444151157. The reversal of 444151145 is 541151444.

It can be written as a sum of positive squares in 4 ways, for example, as 49056016 + 395095129 = 7004^2 + 19877^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 444151145 - 2¹⁰ = 444150121 is a prime.

It is a super-2 number, since 2×444151145² = 394540479209622050, which contains 22 as substring.

It is a Duffinian number.

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, 1200224 + ... + 1200593.

It is an arithmetic number, because the mean of its divisors is an integer number (68423313).

Almost surely, 2^444151145 is an apocalyptic number.

It is an amenable number.

444151145 is a deficient number, since it is larger than the sum of its proper divisors (103235359).

444151145 is a wasteful number, since it uses less digits than its factorization.

444151145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400859.

The product of its digits is 6400, while the sum is 29.

The square root of 444151145 is about 21074.8937126620. The cubic root of 444151145 is about 762.9749194021.

The spelling of 444151145 in words is "four hundred forty-four million, one hundred fifty-one thousand, one hundred forty-five".