142780792 has 64 divisors (see below), whose sum is σ = 344586240. Its totient is φ = 53827200.

The previous prime is 142780789. The next prime is 142780793. The reversal of 142780792 is 297087241.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142780793) by changing a digit.

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, 15358 + ... + 22834.

It is an arithmetic number, because the mean of its divisors is an integer number (5384160).

Almost surely, 2^142780792 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 142780792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172293120).

142780792 is an abundant number, since it is smaller than the sum of its proper divisors (201805448).

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

142780792 is a wasteful number, since it uses less digits than its factorization.

142780792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7532 (or 7528 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 142780792 is about 11949.0916809605. The cubic root of 142780792 is about 522.6648116026.

The spelling of 142780792 in words is "one hundred forty-two million, seven hundred eighty thousand, seven hundred ninety-two".