146272901 has 4 divisors (see below), whose sum is σ = 146300832. Its totient is φ = 146244972.

The previous prime is 146272891. The next prime is 146272927. The reversal of 146272901 is 109272641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 109272641 = 3343 ⋅32687.

It is a cyclic number.

It is not a de Polignac number, because 146272901 - 2⁶ = 146272837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146272991) 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, 3491 + ... + 17456.

It is an arithmetic number, because the mean of its divisors is an integer number (36575208).

It is a Poulet number, since it divides 2^146272900-1.

Almost surely, 2^146272901 is an apocalyptic number.

146272901 is the 6983-rd octagonal number.

It is an amenable number.

146272901 is a deficient number, since it is larger than the sum of its proper divisors (27931).

146272901 is an equidigital number, since it uses as much as digits as its factorization.

146272901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27930.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 146272901 is about 12094.3334252037. Note that the first 3 decimals coincide. The cubic root of 146272901 is about 526.8916202852.

The spelling of 146272901 in words is "one hundred forty-six million, two hundred seventy-two thousand, nine hundred one".