143249161545 has 192 divisors, whose sum is σ = 321756364800. Its totient is φ = 57425448960.

The previous prime is 143249161487. The next prime is 143249161553. The reversal of 143249161545 is 545161942341.

143249161545 is a `hidden beast` number, since 1 + 4 + 3 + 2 + 49 + 1 + 61 + 545 = 666.

It is not a de Polignac number, because 143249161545 - 2⁶ = 143249161481 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 143249161545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4250521 + ... + 4284089.

It is an arithmetic number, because the mean of its divisors is an integer number (1675814400).

Almost surely, 2^143249161545 is an apocalyptic number.

143249161545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143249161545 is an abundant number, since it is smaller than the sum of its proper divisors (178507203255).

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

143249161545 is a wasteful number, since it uses less digits than its factorization.

143249161545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33660 (or 33657 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The spelling of 143249161545 in words is "one hundred forty-three billion, two hundred forty-nine million, one hundred sixty-one thousand, five hundred forty-five".