145355213056 has 72 divisors (see below), whose sum is σ = 309798941760. Its totient is φ = 67900901376.

The previous prime is 145355213039. The next prime is 145355213057. The reversal of 145355213056 is 650312553541.

It is a happy number.

It is a super-2 number, since 2×145355213056² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (145355213057) 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, 33871 + ... + 540238.

It is an arithmetic number, because the mean of its divisors is an integer number (4302763080).

Almost surely, 2^145355213056 is an apocalyptic number.

145355213056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145355213056 is an abundant number, since it is smaller than the sum of its proper divisors (164443728704).

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

145355213056 is an equidigital number, since it uses as much as digits as its factorization.

145355213056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574191 (or 574177 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 40.

Adding to 145355213056 its reverse (650312553541), we get a palindrome (795667766597).

The spelling of 145355213056 in words is "one hundred forty-five billion, three hundred fifty-five million, two hundred thirteen thousand, fifty-six".