146001901 has 4 divisors (see below), whose sum is σ = 146036412. Its totient is φ = 145967392.

The previous prime is 146001893. The next prime is 146001913. The reversal of 146001901 is 109100641.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39375625 + 106626276 = 6275^2 + 10326^2 .

It is a cyclic number.

It is not a de Polignac number, because 146001901 - 2³ = 146001893 is a prime.

It is a super-2 number, since 2×146001901² = 42633110191227602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146041901) 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, 9850 + ... + 19723.

It is an arithmetic number, because the mean of its divisors is an integer number (36509103).

Almost surely, 2^146001901 is an apocalyptic number.

It is an amenable number.

146001901 is a deficient number, since it is larger than the sum of its proper divisors (34511).

146001901 is an equidigital number, since it uses as much as digits as its factorization.

146001901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34510.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 146001901 is about 12083.1246372782. The cubic root of 146001901 is about 526.5660281900.

The spelling of 146001901 in words is "one hundred forty-six million, one thousand, nine hundred one".