145575477300 has 144 divisors (see below), whose sum is σ = 460045555200. Its totient is φ = 35248291200.

The previous prime is 145575477269. The next prime is 145575477301. The reversal of 145575477300 is 3774575541.

It is a super-2 number, since 2×145575477300² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145575477300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145575477301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2742411 + ... + 2794989.

It is an arithmetic number, because the mean of its divisors is an integer number (3194760800).

Almost surely, 2^145575477300 is an apocalyptic number.

145575477300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145575477300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230022777600).

145575477300 is an abundant number, since it is smaller than the sum of its proper divisors (314470077900).

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

145575477300 is a wasteful number, since it uses less digits than its factorization.

145575477300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53446 (or 53439 counting only the distinct ones).

The product of its (nonzero) digits is 2058000, while the sum is 48.

The spelling of 145575477300 in words is "one hundred forty-five billion, five hundred seventy-five million, four hundred seventy-seven thousand, three hundred".