142451503012 has 96 divisors (see below), whose sum is σ = 314613517568. Its totient is φ = 54940114944.

The previous prime is 142451502989. The next prime is 142451503031. The reversal of 142451503012 is 210305154241.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 2335528 + ... + 2395744.

Almost surely, 2^142451503012 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 142451503012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157306758784).

142451503012 is an abundant number, since it is smaller than the sum of its proper divisors (172162014556).

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

142451503012 is a wasteful number, since it uses less digits than its factorization.

142451503012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60405 (or 60403 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 142451503012 its reverse (210305154241), we get a palindrome (352756657253).

The spelling of 142451503012 in words is "one hundred forty-two billion, four hundred fifty-one million, five hundred three thousand, twelve".