142641807 has 64 divisors (see below), whose sum is σ = 248832000. Its totient is φ = 70519680.

The previous prime is 142641803. The next prime is 142641809. The reversal of 142641807 is 708146241.

It is not a de Polignac number, because 142641807 - 2² = 142641803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142641803) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 716694 + ... + 716892.

It is an arithmetic number, because the mean of its divisors is an integer number (3888000).

Almost surely, 2^142641807 is an apocalyptic number.

142641807 is a deficient number, since it is larger than the sum of its proper divisors (106190193).

142641807 is a wasteful number, since it uses less digits than its factorization.

142641807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 142641807 is about 11943.2745509764. The cubic root of 142641807 is about 522.4951665800.

The spelling of 142641807 in words is "one hundred forty-two million, six hundred forty-one thousand, eight hundred seven".