146442450340 has 24 divisors (see below), whose sum is σ = 314680988160. Its totient is φ = 57214724448.

The previous prime is 146442450281. The next prime is 146442450359. The reversal of 146442450340 is 43054244641.

It is a super-2 number, since 2×146442450340² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 146442450340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85140100 + ... + 85141819.

It is an arithmetic number, because the mean of its divisors is an integer number (13111707840).

Almost surely, 2^146442450340 is an apocalyptic number.

146442450340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146442450340 is an abundant number, since it is smaller than the sum of its proper divisors (168238537820).

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

146442450340 is a wasteful number, since it uses less digits than its factorization.

146442450340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170281971 (or 170281969 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 146442450340 its reverse (43054244641), we get a palindrome (189496694981).

The spelling of 146442450340 in words is "one hundred forty-six billion, four hundred forty-two million, four hundred fifty thousand, three hundred forty".