4272154 has 4 divisors (see below), whose sum is σ = 6408234. Its totient is φ = 2136076.

The previous prime is 4272139. The next prime is 4272157. The reversal of 4272154 is 4512724.

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., 2387025 + 1885129 = 1545^2 + 1373^2 .

It is a super-3 number, since 3×4272154³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4272157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068037 + ... + 1068040.

Almost surely, 2^4272154 is an apocalyptic number.

4272154 is a deficient number, since it is larger than the sum of its proper divisors (2136080).

4272154 is a wasteful number, since it uses less digits than its factorization.

4272154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136079.

The product of its digits is 2240, while the sum is 25.

The square root of 4272154 is about 2066.9189630946. The cubic root of 4272154 is about 162.2615548239.

Adding to 4272154 its reverse (4512724), we get a palindrome (8784878).

The spelling of 4272154 in words is "four million, two hundred seventy-two thousand, one hundred fifty-four".