146322190078 has 8 divisors (see below), whose sum is σ = 220299208920. Its totient is φ = 72889120440.

The previous prime is 146322190037. The next prime is 146322190087. The reversal of 146322190078 is 870091223641.

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

It is a congruent number.

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, 135986628 + ... + 135987703.

It is an arithmetic number, because the mean of its divisors is an integer number (27537401115).

Almost surely, 2^146322190078 is an apocalyptic number.

146322190078 is a deficient number, since it is larger than the sum of its proper divisors (73977018842).

146322190078 is a wasteful number, since it uses less digits than its factorization.

146322190078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271974602.

The product of its (nonzero) digits is 145152, while the sum is 43.

It can be divided in two parts, 146322 and 190078, that added together give a square (336400 = 580²).

The spelling of 146322190078 in words is "one hundred forty-six billion, three hundred twenty-two million, one hundred ninety thousand, seventy-eight".