1442025154 has 4 divisors (see below), whose sum is σ = 2163037734. Its totient is φ = 721012576.

The previous prime is 1442025131. The next prime is 1442025163. The reversal of 1442025154 is 4515202441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4515202441 = 5881 ⋅767761.

It can be written as a sum of positive squares in only one way, i.e., 1441341225 + 683929 = 37965^2 + 827^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360506287 + ... + 360506290.

Almost surely, 2^1442025154 is an apocalyptic number.

1442025154 is a deficient number, since it is larger than the sum of its proper divisors (721012580).

1442025154 is an equidigital number, since it uses as much as digits as its factorization.

1442025154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721012579.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1442025154 is about 37974.0062937794. The cubic root of 1442025154 is about 1129.7723597101.

Adding to 1442025154 its reverse (4515202441), we get a palindrome (5957227595).

The spelling of 1442025154 in words is "one billion, four hundred forty-two million, twenty-five thousand, one hundred fifty-four".