142796251 has 8 divisors (see below), whose sum is σ = 154057904. Its totient is φ = 131574240.

The previous prime is 142796233. The next prime is 142796263. The reversal of 142796251 is 152697241.

142796251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142796251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142796251.

It is not an unprimeable number, because it can be changed into a prime (142796221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2196 + ... + 17041.

It is an arithmetic number, because the mean of its divisors is an integer number (19257238).

Almost surely, 2^142796251 is an apocalyptic number.

142796251 is a deficient number, since it is larger than the sum of its proper divisors (11261653).

142796251 is a wasteful number, since it uses less digits than its factorization.

142796251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19821.

The product of its digits is 30240, while the sum is 37.

The square root of 142796251 is about 11949.7385327044. The cubic root of 142796251 is about 522.6836740458.

The spelling of 142796251 in words is "one hundred forty-two million, seven hundred ninety-six thousand, two hundred fifty-one".