145051446426 has 32 divisors (see below), whose sum is σ = 305388787200. Its totient is φ = 45803121840.

The previous prime is 145051446403. The next prime is 145051446433. The reversal of 145051446426 is 624644150541.

It is a happy number.

It is a super-2 number, since 2×145051446426² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3471165 + ... + 3512703.

It is an arithmetic number, because the mean of its divisors is an integer number (9543399600).

Almost surely, 2^145051446426 is an apocalyptic number.

145051446426 is an abundant number, since it is smaller than the sum of its proper divisors (160337340774).

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

145051446426 is a wasteful number, since it uses less digits than its factorization.

145051446426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72194.

The product of its (nonzero) digits is 460800, while the sum is 42.

Adding to 145051446426 its reverse (624644150541), we get a palindrome (769695596967).

The spelling of 145051446426 in words is "one hundred forty-five billion, fifty-one million, four hundred forty-six thousand, four hundred twenty-six".