142591488 has 160 divisors (see below), whose sum is σ = 422327136. Its totient is φ = 42467328.

The previous prime is 142591453. The next prime is 142591489. The reversal of 142591488 is 884195241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142591489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 738720 + ... + 738912.

Almost surely, 2^142591488 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 142591488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211163568).

142591488 is an abundant number, since it is smaller than the sum of its proper divisors (279735648).

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

142591488 is a wasteful number, since it uses less digits than its factorization.

142591488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 248 counting only the distinct ones).

The product of its digits is 92160, while the sum is 42.

The square root of 142591488 is about 11941.1677820890. The cubic root of 142591488 is about 522.4337200634.

The spelling of 142591488 in words is "one hundred forty-two million, five hundred ninety-one thousand, four hundred eighty-eight".