142761648 has 80 divisors (see below), whose sum is σ = 397983456. Its totient is φ = 43929600.

The previous prime is 142761637. The next prime is 142761653. The reversal of 142761648 is 846167241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41598 + ... + 44898.

Almost surely, 2^142761648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142761648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198991728).

142761648 is an abundant number, since it is smaller than the sum of its proper divisors (255221808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142761648 is a wasteful number, since it uses less digits than its factorization.

142761648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382 (or 3376 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 142761648 is about 11948.2905890341. The cubic root of 142761648 is about 522.6414509851.

The spelling of 142761648 in words is "one hundred forty-two million, seven hundred sixty-one thousand, six hundred forty-eight".