73189143045 has 24 divisors (see below), whose sum is σ = 127343563776. Its totient is φ = 38885784288.

The previous prime is 73189143029. The next prime is 73189143047. The reversal of 73189143045 is 54034198137.

It is not a de Polignac number, because 73189143045 - 2⁴ = 73189143029 is a prime.

It is a super-2 number, since 2×73189143045² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73189143047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3080229 + ... + 3103898.

It is an arithmetic number, because the mean of its divisors is an integer number (5305981824).

Almost surely, 2^73189143045 is an apocalyptic number.

It is an amenable number.

73189143045 is a deficient number, since it is larger than the sum of its proper divisors (54154420731).

73189143045 is a wasteful number, since it uses less digits than its factorization.

73189143045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184401 (or 6184398 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 73189143045 in words is "seventy-three billion, one hundred eighty-nine million, one hundred forty-three thousand, forty-five".