145540642112 has 28 divisors (see below), whose sum is σ = 290719861536. Its totient is φ = 72288393600.

The previous prime is 145540642109. The next prime is 145540642193. The reversal of 145540642112 is 211246045541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7520378 + ... + 7539705.

Almost surely, 2^145540642112 is an apocalyptic number.

It is an amenable number.

145540642112 is a deficient number, since it is larger than the sum of its proper divisors (145179219424).

145540642112 is a wasteful number, since it uses less digits than its factorization.

145540642112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15060246 (or 15060236 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 145540642112 its reverse (211246045541), we get a palindrome (356786687653).

The spelling of 145540642112 in words is "one hundred forty-five billion, five hundred forty million, six hundred forty-two thousand, one hundred twelve".