145000337561 has 6 divisors (see below), whose sum is σ = 145763512986. Its totient is φ = 144241137200.

The previous prime is 145000337543. The next prime is 145000337579. The reversal of 145000337561 is 165733000541.

It is an interprime number because it is at equal distance from previous prime (145000337543) and next prime (145000337579).

It can be written as a sum of positive squares in only one way, i.e., 75122587225 + 69877750336 = 274085^2 + 264344^2 .

It is not a de Polignac number, because 145000337561 - 2¹⁴ = 145000321177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145000334561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1950860 + ... + 2023821.

It is an arithmetic number, because the mean of its divisors is an integer number (24293918831).

Almost surely, 2^145000337561 is an apocalyptic number.

It is an amenable number.

145000337561 is a deficient number, since it is larger than the sum of its proper divisors (763175425).

145000337561 is an frugal number, since it uses more digits than its factorization.

145000337561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975063 (or 3974872 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 145000337561 in words is "one hundred forty-five billion, three hundred thirty-seven thousand, five hundred sixty-one".