142545031540 has 48 divisors (see below), whose sum is σ = 307481836032. Its totient is φ = 55468526976.

The previous prime is 142545031529. The next prime is 142545031667. The reversal of 142545031540 is 45130545241.

It is a junction number, because it is equal to n+sod(n) for n = 142545031496 and 142545031505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7306639 + ... + 7326121.

It is an arithmetic number, because the mean of its divisors is an integer number (6405871584).

Almost surely, 2^142545031540 is an apocalyptic number.

142545031540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142545031540 is an abundant number, since it is smaller than the sum of its proper divisors (164936804492).

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

142545031540 is a wasteful number, since it uses less digits than its factorization.

142545031540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29416 (or 29414 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 142545031540 its reverse (45130545241), we get a palindrome (187675576781).

The spelling of 142545031540 in words is "one hundred forty-two billion, five hundred forty-five million, thirty-one thousand, five hundred forty".