142004025 has 36 divisors (see below), whose sum is σ = 262562560. Its totient is φ = 73288800.

The previous prime is 142003999. The next prime is 142004029. The reversal of 142004025 is 520400241.

142004025 = T₃₃₅₈ + T₃₃₅₉ + ... + T₃₃₈₂.

It is not a de Polignac number, because 142004025 - 2⁵ = 142003993 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142003989 and 142004007.

It is not an unprimeable number, because it can be changed into a prime (142004029) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3205 + ... + 17154.

Almost surely, 2^142004025 is an apocalyptic number.

142004025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142004025 is a deficient number, since it is larger than the sum of its proper divisors (120558535).

142004025 is a wasteful number, since it uses less digits than its factorization.

142004025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20406 (or 20398 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 142004025 is about 11916.5441718646. The cubic root of 142004025 is about 521.7152738865.

Adding to 142004025 its reverse (520400241), we get a palindrome (662404266).

It can be divided in two parts, 14200 and 4025, that added together give a square (18225 = 135²).

The spelling of 142004025 in words is "one hundred forty-two million, four thousand, twenty-five".