444020154 has 16 divisors (see below), whose sum is σ = 888333600. Its totient is φ = 147957840.

The previous prime is 444020153. The next prime is 444020173. The reversal of 444020154 is 451020444.

It is a happy number.

It is a super-3 number, since 3×444020154³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (444020153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10797 + ... + 31695.

It is an arithmetic number, because the mean of its divisors is an integer number (55520850).

Almost surely, 2^444020154 is an apocalyptic number.

444020154 is an abundant number, since it is smaller than the sum of its proper divisors (444313446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444020154 is a wasteful number, since it uses less digits than its factorization.

444020154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24445.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 444020154 is about 21071.7857335348. The cubic root of 444020154 is about 762.8999053927.

Adding to 444020154 its reverse (451020444), we get a palindrome (895040598).

The spelling of 444020154 in words is "four hundred forty-four million, twenty thousand, one hundred fifty-four".