146078434 has 8 divisors (see below), whose sum is σ = 219488940. Its totient is φ = 72915456.

The previous prime is 146078389. The next prime is 146078461. The reversal of 146078434 is 434870641.

It can be written as a sum of positive squares in 2 ways, for example, as 140304025 + 5774409 = 11845^2 + 2403^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 146078393 and 146078402.

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, 60399 + ... + 62770.

Almost surely, 2^146078434 is an apocalyptic number.

146078434 is a deficient number, since it is larger than the sum of its proper divisors (73410506).

146078434 is a wasteful number, since it uses less digits than its factorization.

146078434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123764.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 146078434 is about 12086.2911598224. The cubic root of 146078434 is about 526.6580193172.

The spelling of 146078434 in words is "one hundred forty-six million, seventy-eight thousand, four hundred thirty-four".