146222661450 has 48 divisors (see below), whose sum is σ = 381718113120. Its totient is φ = 36940461120.

The previous prime is 146222661421. The next prime is 146222661467. The reversal of 146222661450 is 54166222641.

It is a super-2 number, since 2×146222661450² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146222661399 and 146222661408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25650249 + ... + 25655948.

It is an arithmetic number, because the mean of its divisors is an integer number (7952460690).

Almost surely, 2^146222661450 is an apocalyptic number.

146222661450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146222661450 is an abundant number, since it is smaller than the sum of its proper divisors (235495451670).

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

146222661450 is a wasteful number, since it uses less digits than its factorization.

146222661450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51306231 (or 51306226 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 146222661450 in words is "one hundred forty-six billion, two hundred twenty-two million, six hundred sixty-one thousand, four hundred fifty".