145049729260856 has 48 divisors (see below), whose sum is σ = 316978459583040. Its totient is φ = 62044852571520.

The previous prime is 145049729260837. The next prime is 145049729260859. The reversal of 145049729260856 is 658062927940541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145049729260859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354905960 + ... + 355314423.

It is an arithmetic number, because the mean of its divisors is an integer number (6603717907980).

Almost surely, 2^{145049729260856} is an apocalyptic number.

It is an amenable number.

145049729260856 is an abundant number, since it is smaller than the sum of its proper divisors (171928730322184).

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

145049729260856 is a wasteful number, since it uses less digits than its factorization.

145049729260856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710220924 (or 710220913 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 68.

The spelling of 145049729260856 in words is "one hundred forty-five trillion, forty-nine billion, seven hundred twenty-nine million, two hundred sixty thousand, eight hundred fifty-six".