145405220350 has 48 divisors (see below), whose sum is σ = 295360158240. Its totient is φ = 52931894400.

The previous prime is 145405220341. The next prime is 145405220353. The reversal of 145405220350 is 53022504541.

It is a super-2 number, since 2×145405220350² (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 (145405220353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1529205 + ... + 1621504.

It is an arithmetic number, because the mean of its divisors is an integer number (6153336630).

Almost surely, 2^145405220350 is an apocalyptic number.

145405220350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145405220350 is an abundant number, since it is smaller than the sum of its proper divisors (149954937890).

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

145405220350 is a wasteful number, since it uses less digits than its factorization.

145405220350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150805 (or 3150800 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 145405220350 its reverse (53022504541), we get a palindrome (198427724891).

The spelling of 145405220350 in words is "one hundred forty-five billion, four hundred five million, two hundred twenty thousand, three hundred fifty".