142205525 has 48 divisors (see below), whose sum is σ = 227033088. Its totient is φ = 85752000.

The previous prime is 142205513. The next prime is 142205537. The reversal of 142205525 is 525502241.

142205525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142205513) and next prime (142205537).

It is not a de Polignac number, because 142205525 - 2²⁴ = 125428309 is a prime.

It is a super-2 number, since 2×142205525² = 40444822681051250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142205494 and 142205503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58484 + ... + 60866.

It is an arithmetic number, because the mean of its divisors is an integer number (4729856).

Almost surely, 2^142205525 is an apocalyptic number.

It is an amenable number.

142205525 is a deficient number, since it is larger than the sum of its proper divisors (84827563).

142205525 is a wasteful number, since it uses less digits than its factorization.

142205525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442 (or 2437 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 142205525 is about 11924.9958071271. The cubic root of 142205525 is about 521.9619240392.

Adding to 142205525 its reverse (525502241), we get a palindrome (667707766).

The spelling of 142205525 in words is "one hundred forty-two million, two hundred five thousand, five hundred twenty-five".