145229854770 has 1280 divisors, whose sum is σ = 555284201472. Its totient is φ = 26269194240.

The previous prime is 145229854711. The next prime is 145229854771. The reversal of 145229854770 is 77458922541.

145229854770 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 2 + 98 + 547 + 7 + 0 = 666.

145229854770 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145229854771) by changing a digit.

It is a polite number, since it can be written in 639 ways as a sum of consecutive naturals, for example, 1409998539 + ... + 1409998641.

Almost surely, 2^145229854770 is an apocalyptic number.

145229854770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145229854770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277642100736).

145229854770 is an abundant number, since it is smaller than the sum of its proper divisors (410054346702).

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

145229854770 is a wasteful number, since it uses less digits than its factorization.

145229854770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

It can be divided in two parts, 145229 and 854770, that added together give a palindrome (999999).

The spelling of 145229854770 in words is "one hundred forty-five billion, two hundred twenty-nine million, eight hundred fifty-four thousand, seven hundred seventy".