146870146 has 8 divisors (see below), whose sum is σ = 220817664. Its totient is φ = 73264260.

The previous prime is 146870117. The next prime is 146870147. The reversal of 146870146 is 641078641.

It is a happy number.

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

It is a super-2 number, since 2×146870146² = 43141679572122632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146870147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84330 + ... + 86053.

It is an arithmetic number, because the mean of its divisors is an integer number (27602208).

Almost surely, 2^146870146 is an apocalyptic number.

146870146 is a deficient number, since it is larger than the sum of its proper divisors (73947518).

146870146 is a wasteful number, since it uses less digits than its factorization.

146870146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170816.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 146870146 is about 12118.9993811370. Note that the first 3 decimals coincide. The cubic root of 146870146 is about 527.6077612776.

The spelling of 146870146 in words is "one hundred forty-six million, eight hundred seventy thousand, one hundred forty-six".