143772273045 has 24 divisors (see below), whose sum is σ = 249221167416. Its totient is φ = 76673655168.

The previous prime is 143772273031. The next prime is 143772273077. The reversal of 143772273045 is 540372277341.

143772273045 is a `hidden beast` number, since 1 + 4 + 377 + 2 + 273 + 0 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5178385521 + 138593887524 = 71961^2 + 372282^2 .

It is not a de Polignac number, because 143772273045 - 2⁶ = 143772272981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 676939 + ... + 863591.

It is an arithmetic number, because the mean of its divisors is an integer number (10384215309).

Almost surely, 2^143772273045 is an apocalyptic number.

143772273045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143772273045 is a deficient number, since it is larger than the sum of its proper divisors (105448894371).

143772273045 is a wasteful number, since it uses less digits than its factorization.

143772273045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203781 (or 203778 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 45.

The spelling of 143772273045 in words is "one hundred forty-three billion, seven hundred seventy-two million, two hundred seventy-three thousand, forty-five".