154124442 has 24 divisors (see below), whose sum is σ = 335245716. Its totient is φ = 51173376.

The previous prime is 154124437. The next prime is 154124471. The reversal of 154124442 is 244421451.

It can be written as a sum of positive squares in 2 ways, for example, as 145950561 + 8173881 = 12081^2 + 2859^2 .

It is a super-2 number, since 2×154124442² = 47508687243622728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12033 + ... + 21284.

Almost surely, 2^154124442 is an apocalyptic number.

154124442 is an abundant number, since it is smaller than the sum of its proper divisors (181121274).

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

154124442 is a wasteful number, since it uses less digits than its factorization.

154124442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33582 (or 33579 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 154124442 is about 12414.6865445729. The cubic root of 154124442 is about 536.1551794138.

Adding to 154124442 its reverse (244421451), we get a palindrome (398545893).

The spelling of 154124442 in words is "one hundred fifty-four million, one hundred twenty-four thousand, four hundred forty-two".