142519312 has 40 divisors (see below), whose sum is σ = 298342016. Its totient is φ = 65563776.

The previous prime is 142519309. The next prime is 142519327. The reversal of 142519312 is 213915241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75403 + ... + 77269.

Almost surely, 2^142519312 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 142519312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149171008).

142519312 is an abundant number, since it is smaller than the sum of its proper divisors (155822704).

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

142519312 is a wasteful number, since it uses less digits than its factorization.

142519312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255 (or 2249 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 142519312 is about 11938.1452495771. The cubic root of 142519312 is about 522.3455578582.

The spelling of 142519312 in words is "one hundred forty-two million, five hundred nineteen thousand, three hundred twelve".