145860031452 has 12 divisors (see below), whose sum is σ = 340340073416. Its totient is φ = 48620010480.

The previous prime is 145860031417. The next prime is 145860031529. The reversal of 145860031452 is 254130068541.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 145860031452.

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, 6077501299 + ... + 6077501322.

Almost surely, 2^145860031452 is an apocalyptic number.

145860031452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145860031452 is an abundant number, since it is smaller than the sum of its proper divisors (194480041964).

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

145860031452 is a wasteful number, since it uses less digits than its factorization.

145860031452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12155002628 (or 12155002626 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

Adding to 145860031452 its reverse (254130068541), we get a palindrome (399990099993).

The spelling of 145860031452 in words is "one hundred forty-five billion, eight hundred sixty million, thirty-one thousand, four hundred fifty-two".