144435605542215 has 64 divisors (see below), whose sum is σ = 253116224524800. Its totient is φ = 69894830098944.

The previous prime is 144435605542183. The next prime is 144435605542253. The reversal of 144435605542215 is 512245506534441.

It is a happy number.

It is not a de Polignac number, because 144435605542215 - 2⁵ = 144435605542183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119938756 + ... + 121137014.

It is an arithmetic number, because the mean of its divisors is an integer number (3954941008200).

Almost surely, 2^{144435605542215} is an apocalyptic number.

144435605542215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144435605542215 is a deficient number, since it is larger than the sum of its proper divisors (108680618982585).

144435605542215 is a wasteful number, since it uses less digits than its factorization.

144435605542215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208816.

The product of its (nonzero) digits is 11520000, while the sum is 51.

The spelling of 144435605542215 in words is "one hundred forty-four trillion, four hundred thirty-five billion, six hundred five million, five hundred forty-two thousand, two hundred fifteen".