146978043 has 8 divisors (see below), whose sum is σ = 196734288. Its totient is φ = 97603584.

The previous prime is 146978009. The next prime is 146978081. The reversal of 146978043 is 340879641.

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

It is not a de Polignac number, because 146978043 - 2¹⁷ = 146846971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146977986 and 146978004.

It is not an unprimeable number, because it can be changed into a prime (146978093) 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, 94546 + ... + 96087.

It is an arithmetic number, because the mean of its divisors is an integer number (24591786).

Almost surely, 2^146978043 is an apocalyptic number.

146978043 is a deficient number, since it is larger than the sum of its proper divisors (49756245).

146978043 is a wasteful number, since it uses less digits than its factorization.

146978043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190893.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 146978043 is about 12123.4501277483. The cubic root of 146978043 is about 527.7369306186.

The spelling of 146978043 in words is "one hundred forty-six million, nine hundred seventy-eight thousand, forty-three".