75469280144 has 20 divisors (see below), whose sum is σ = 153917611440. Its totient is φ = 35748606240.

The previous prime is 75469280141. The next prime is 75469280167. The reversal of 75469280144 is 44108296457.

It is a super-2 number, since 2×75469280144² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75469280092 and 75469280101.

It is not an unprimeable number, because it can be changed into a prime (75469280141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124126802 + ... + 124127409.

It is an arithmetic number, because the mean of its divisors is an integer number (7695880572).

Almost surely, 2^75469280144 is an apocalyptic number.

It is an amenable number.

75469280144 is an abundant number, since it is smaller than the sum of its proper divisors (78448331296).

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

75469280144 is a wasteful number, since it uses less digits than its factorization.

75469280144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248254238 (or 248254232 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 75469280144 in words is "seventy-five billion, four hundred sixty-nine million, two hundred eighty thousand, one hundred forty-four".