145524222120 has 128 divisors (see below), whose sum is σ = 470975523840. Its totient is φ = 35834572800.

The previous prime is 145524222089. The next prime is 145524222127. The reversal of 145524222120 is 21222425541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (145524222127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 564856 + ... + 781095.

It is an arithmetic number, because the mean of its divisors is an integer number (3679496280).

Almost surely, 2^145524222120 is an apocalyptic number.

145524222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145524222120 is an abundant number, since it is smaller than the sum of its proper divisors (325451301720).

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

145524222120 is a wasteful number, since it uses less digits than its factorization.

145524222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346035 (or 1346031 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 145524222120 its reverse (21222425541), we get a palindrome (166746647661).

The spelling of 145524222120 in words is "one hundred forty-five billion, five hundred twenty-four million, two hundred twenty-two thousand, one hundred twenty".