145502431142 has 16 divisors (see below), whose sum is σ = 220204256832. Its totient is φ = 72101124480.

The previous prime is 145502431099. The next prime is 145502431169. The reversal of 145502431142 is 241134205541.

It is a junction number, because it is equal to n+sod(n) for n = 145502431099 and 145502431108.

It is a congruent number.

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, 3627923 + ... + 3667809.

It is an arithmetic number, because the mean of its divisors is an integer number (13762766052).

Almost surely, 2^145502431142 is an apocalyptic number.

145502431142 is a deficient number, since it is larger than the sum of its proper divisors (74701825690).

145502431142 is a wasteful number, since it uses less digits than its factorization.

145502431142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56143.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 145502431142 its reverse (241134205541), we get a palindrome (386636636683).

The spelling of 145502431142 in words is "one hundred forty-five billion, five hundred two million, four hundred thirty-one thousand, one hundred forty-two".