42145352402 has 8 divisors (see below), whose sum is σ = 63219041676. Its totient is φ = 21072338512.

The previous prime is 42145352371. The next prime is 42145352461. The reversal of 42145352402 is 20425354124.

It can be written as a sum of positive squares in 2 ways, for example, as 40160560801 + 1984791601 = 200401^2 + 44551^2 .

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, 37688 + ... + 292764.

Almost surely, 2^42145352402 is an apocalyptic number.

42145352402 is a deficient number, since it is larger than the sum of its proper divisors (21073689274).

42145352402 is a wasteful number, since it uses less digits than its factorization.

42145352402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337692.

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 42145352402 in words is "forty-two billion, one hundred forty-five million, three hundred fifty-two thousand, four hundred two".