273450144 has 48 divisors (see below), whose sum is σ = 783064800. Its totient is φ = 82863360.

The previous prime is 273450143. The next prime is 273450211. The reversal of 273450144 is 441054372.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (273450143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128419 + ... + 130530.

It is an arithmetic number, because the mean of its divisors is an integer number (16313850).

Almost surely, 2^273450144 is an apocalyptic number.

273450144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

273450144 is an abundant number, since it is smaller than the sum of its proper divisors (509614656).

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

273450144 is a wasteful number, since it uses less digits than its factorization.

273450144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258973 (or 258965 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 273450144 is about 16536.3280083578. The cubic root of 273450144 is about 649.0717669803.

The spelling of 273450144 in words is "two hundred seventy-three million, four hundred fifty thousand, one hundred forty-four".