146420433442 has 8 divisors (see below), whose sum is σ = 219636892332. Its totient is φ = 73208136000.

The previous prime is 146420433413. The next prime is 146420433541. The reversal of 146420433442 is 244334024641.

It can be written as a sum of positive squares in 2 ways, for example, as 146374342921 + 46090521 = 382589^2 + 6789^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950859 + ... + 1094062.

Almost surely, 2^146420433442 is an apocalyptic number.

146420433442 is a deficient number, since it is larger than the sum of its proper divisors (73216458890).

146420433442 is a wasteful number, since it uses less digits than its factorization.

146420433442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080724.

The product of its (nonzero) digits is 221184, while the sum is 37.

The spelling of 146420433442 in words is "one hundred forty-six billion, four hundred twenty million, four hundred thirty-three thousand, four hundred forty-two".