146870151 has 4 divisors (see below), whose sum is σ = 195826872. Its totient is φ = 97913432.

The previous prime is 146870147. The next prime is 146870177. The reversal of 146870151 is 151078641.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146870151 - 2² = 146870147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146870051) 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, 24478356 + ... + 24478361.

It is an arithmetic number, because the mean of its divisors is an integer number (48956718).

Almost surely, 2^146870151 is an apocalyptic number.

146870151 is a deficient number, since it is larger than the sum of its proper divisors (48956721).

146870151 is an equidigital number, since it uses as much as digits as its factorization.

146870151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48956720.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 146870151 is about 12118.9995874247. Note that the first 3 decimals coincide. The cubic root of 146870151 is about 527.6077672648.

The spelling of 146870151 in words is "one hundred forty-six million, eight hundred seventy thousand, one hundred fifty-one".