145475802840 has 64 divisors (see below), whose sum is σ = 436694600160. Its totient is φ = 38769797120.

The previous prime is 145475802827. The next prime is 145475802851. The reversal of 145475802840 is 48208574541.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 145475802840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173841 + ... + 566720.

Almost surely, 2^145475802840 is an apocalyptic number.

145475802840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145475802840 is an abundant number, since it is smaller than the sum of its proper divisors (291218797320).

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

145475802840 is a wasteful number, since it uses less digits than its factorization.

145475802840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742212 (or 742208 counting only the distinct ones).

The product of its (nonzero) digits is 1433600, while the sum is 48.

The spelling of 145475802840 in words is "one hundred forty-five billion, four hundred seventy-five million, eight hundred two thousand, eight hundred forty".