142025251551 has 16 divisors (see below), whose sum is σ = 197641466880. Its totient is φ = 90547981920.

The previous prime is 142025251481. The next prime is 142025251559. The reversal of 142025251551 is 155152520241.

It is not a de Polignac number, because 142025251551 - 2¹³ = 142025243359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142025251559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123690 + ... + 547128.

It is an arithmetic number, because the mean of its divisors is an integer number (12352591680).

Almost surely, 2^142025251551 is an apocalyptic number.

142025251551 is a deficient number, since it is larger than the sum of its proper divisors (55616215329).

142025251551 is a wasteful number, since it uses less digits than its factorization.

142025251551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428326.

The product of its (nonzero) digits is 20000, while the sum is 33.

Adding to 142025251551 its reverse (155152520241), we get a palindrome (297177771792).

The spelling of 142025251551 in words is "one hundred forty-two billion, twenty-five million, two hundred fifty-one thousand, five hundred fifty-one".