146405340442 has 16 divisors (see below), whose sum is σ = 229208919912. Its totient is φ = 70069742080.

The previous prime is 146405340439. The next prime is 146405340443. The reversal of 146405340442 is 244043504641.

It can be written as a sum of positive squares in 4 ways, for example, as 142067932561 + 4337407881 = 376919^2 + 65859^2 .

It is not an unprimeable number, because it can be changed into a prime (146405340443) 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, 16839343 + ... + 16848034.

Almost surely, 2^146405340442 is an apocalyptic number.

146405340442 is a deficient number, since it is larger than the sum of its proper divisors (82803579470).

146405340442 is a wasteful number, since it uses less digits than its factorization.

146405340442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33687473.

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

The spelling of 146405340442 in words is "one hundred forty-six billion, four hundred five million, three hundred forty thousand, four hundred forty-two".