142455750 has 64 divisors (see below), whose sum is σ = 376519104. Its totient is φ = 35750400.

The previous prime is 142455739. The next prime is 142455793. The reversal of 142455750 is 57554241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7164 + ... + 18336.

It is an arithmetic number, because the mean of its divisors is an integer number (5883111).

Almost surely, 2^142455750 is an apocalyptic number.

142455750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142455750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188259552).

142455750 is an abundant number, since it is smaller than the sum of its proper divisors (234063354).

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

142455750 is a wasteful number, since it uses less digits than its factorization.

142455750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11210 (or 11200 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 142455750 is about 11935.4828138622. The cubic root of 142455750 is about 522.2678929090.

The spelling of 142455750 in words is "one hundred forty-two million, four hundred fifty-five thousand, seven hundred fifty".