142345540251 has 12 divisors (see below), whose sum is σ = 212242813120. Its totient is φ = 91835832240.

The previous prime is 142345540201. The next prime is 142345540291. The reversal of 142345540251 is 152045543241.

142345540251 is a `hidden beast` number, since 1 + 4 + 23 + 45 + 540 + 2 + 51 = 666.

It is not a de Polignac number, because 142345540251 - 2¹⁰ = 142345539227 is a prime.

It is a super-2 number, since 2×142345540251² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142345540201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255099256 + ... + 255099813.

Almost surely, 2^142345540251 is an apocalyptic number.

142345540251 is a deficient number, since it is larger than the sum of its proper divisors (69897272869).

142345540251 is a wasteful number, since it uses less digits than its factorization.

142345540251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510199106 (or 510199103 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 142345540251 in words is "one hundred forty-two billion, three hundred forty-five million, five hundred forty thousand, two hundred fifty-one".