145504351222 has 8 divisors (see below), whose sum is σ = 219518125776. Its totient is φ = 72331642632.

The previous prime is 145504351217. The next prime is 145504351229. The reversal of 145504351222 is 222153405541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145504351229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210266058 + ... + 210266749.

It is an arithmetic number, because the mean of its divisors is an integer number (27439765722).

Almost surely, 2^145504351222 is an apocalyptic number.

145504351222 is a deficient number, since it is larger than the sum of its proper divisors (74013774554).

145504351222 is a wasteful number, since it uses less digits than its factorization.

145504351222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420532982.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 145504351222 its reverse (222153405541), we get a palindrome (367657756763).

The spelling of 145504351222 in words is "one hundred forty-five billion, five hundred four million, three hundred fifty-one thousand, two hundred twenty-two".