146066251 has 4 divisors (see below), whose sum is σ = 148822272. Its totient is φ = 143310232.

The previous prime is 146066237. The next prime is 146066267. The reversal of 146066251 is 152660641.

146066251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 146066251 - 2¹⁵ = 146033483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146066201) 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, 1377931 + ... + 1378036.

It is an arithmetic number, because the mean of its divisors is an integer number (37205568).

Almost surely, 2^146066251 is an apocalyptic number.

146066251 is a deficient number, since it is larger than the sum of its proper divisors (2756021).

146066251 is an equidigital number, since it uses as much as digits as its factorization.

146066251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756020.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 146066251 is about 12085.7871485477. The cubic root of 146066251 is about 526.6433777467.

The spelling of 146066251 in words is "one hundred forty-six million, sixty-six thousand, two hundred fifty-one".