544252154 has 4 divisors (see below), whose sum is σ = 816378234. Its totient is φ = 272126076.

The previous prime is 544252139. The next prime is 544252199. The reversal of 544252154 is 451252445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 534673129 + 9579025 = 23123^2 + 3095^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 544252154.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136063037 + ... + 136063040.

Almost surely, 2^544252154 is an apocalyptic number.

544252154 is a deficient number, since it is larger than the sum of its proper divisors (272126080).

544252154 is a wasteful number, since it uses less digits than its factorization.

544252154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272126079.

The product of its digits is 32000, while the sum is 32.

The square root of 544252154 is about 23329.2124599181. The cubic root of 544252154 is about 816.4571290456.

The spelling of 544252154 in words is "five hundred forty-four million, two hundred fifty-two thousand, one hundred fifty-four".