44145391098 has 16 divisors (see below), whose sum is σ = 88295550336. Its totient is φ = 14714335680.

The previous prime is 44145391097. The next prime is 44145391099. The reversal of 44145391098 is 89019354144.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44145391097) and next prime (44145391099).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44145391097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72111 + ... + 305762.

It is an arithmetic number, because the mean of its divisors is an integer number (5518471896).

Almost surely, 2^44145391098 is an apocalyptic number.

44145391098 is an abundant number, since it is smaller than the sum of its proper divisors (44150159238).

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

44145391098 is a wasteful number, since it uses less digits than its factorization.

44145391098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397349.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 44145391098 in words is "forty-four billion, one hundred forty-five million, three hundred ninety-one thousand, ninety-eight".