145403605180 has 24 divisors (see below), whose sum is σ = 315876798720. Its totient is φ = 56155874880.

The previous prime is 145403605177. The next prime is 145403605181. The reversal of 145403605180 is 81506304541.

It is a happy number.

It is a super-2 number, since 2×145403605180² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145403605181) 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, 125347356 + ... + 125348515.

It is an arithmetic number, because the mean of its divisors is an integer number (13161533280).

Almost surely, 2^145403605180 is an apocalyptic number.

145403605180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145403605180 is an abundant number, since it is smaller than the sum of its proper divisors (170473193540).

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

145403605180 is a wasteful number, since it uses less digits than its factorization.

145403605180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250695909 (or 250695907 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 145403605180 in words is "one hundred forty-five billion, four hundred three million, six hundred five thousand, one hundred eighty".