145522210431 has 8 divisors (see below), whose sum is σ = 208954968880. Its totient is φ = 89552129472.

The previous prime is 145522210373. The next prime is 145522210451. The reversal of 145522210431 is 134012225541.

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

It is not a de Polignac number, because 145522210431 - 2⁷ = 145522210303 is a prime.

It is a super-2 number, since 2×145522210431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145522210451) 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, 1865669326 + ... + 1865669403.

It is an arithmetic number, because the mean of its divisors is an integer number (26119371110).

Almost surely, 2^145522210431 is an apocalyptic number.

145522210431 is a deficient number, since it is larger than the sum of its proper divisors (63432758449).

145522210431 is a wasteful number, since it uses less digits than its factorization.

145522210431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731338745.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 145522210431 its reverse (134012225541), we get a palindrome (279534435972).

The spelling of 145522210431 in words is "one hundred forty-five billion, five hundred twenty-two million, two hundred ten thousand, four hundred thirty-one".