144565015434 has 32 divisors (see below), whose sum is σ = 330925372800. Its totient is φ = 41242908672.

The previous prime is 144565015411. The next prime is 144565015481. The reversal of 144565015434 is 434510565441.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2528959 + ... + 2585490.

It is an arithmetic number, because the mean of its divisors is an integer number (10341417900).

Almost surely, 2^144565015434 is an apocalyptic number.

144565015434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144565015434 is an abundant number, since it is smaller than the sum of its proper divisors (186360357366).

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

144565015434 is a wasteful number, since it uses less digits than its factorization.

144565015434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115134.

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 144565015434 in words is "one hundred forty-four billion, five hundred sixty-five million, fifteen thousand, four hundred thirty-four".