145431510545140 has 24 divisors (see below), whose sum is σ = 305493157815552. Its totient is φ = 58156035518880.

The previous prime is 145431510545137. The next prime is 145431510545141. The reversal of 145431510545140 is 41545015134541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145431510545141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035471724 + ... + 1035612163.

It is an arithmetic number, because the mean of its divisors is an integer number (12728881575648).

Almost surely, 2^{145431510545140} is an apocalyptic number.

145431510545140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145431510545140 is an abundant number, since it is smaller than the sum of its proper divisors (160061647270412).

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

145431510545140 is a wasteful number, since it uses less digits than its factorization.

145431510545140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071087407 (or 2071087405 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 43.

Adding to 145431510545140 its reverse (41545015134541), we get a palindrome (186976525679681).

The spelling of 145431510545140 in words is "one hundred forty-five trillion, four hundred thirty-one billion, five hundred ten million, five hundred forty-five thousand, one hundred forty".