142740801 has 12 divisors (see below), whose sum is σ = 235635712. Its totient is φ = 81566136.

The previous prime is 142740797. The next prime is 142740811. The reversal of 142740801 is 108047241.

It is not a de Polignac number, because 142740801 - 2² = 142740797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142740811) 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, 1132801 + ... + 1132926.

Almost surely, 2^142740801 is an apocalyptic number.

It is an amenable number.

142740801 is a deficient number, since it is larger than the sum of its proper divisors (92894911).

142740801 is a wasteful number, since it uses less digits than its factorization.

142740801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265740 (or 2265737 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 142740801 is about 11947.4181729778. The cubic root of 142740801 is about 522.6160098930.

The spelling of 142740801 in words is "one hundred forty-two million, seven hundred forty thousand, eight hundred one".