146957261 has 4 divisors (see below), whose sum is σ = 160317024. Its totient is φ = 133597500.

The previous prime is 146957257. The next prime is 146957263. The reversal of 146957261 is 162759641.

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.

It is a cyclic number.

It is not a de Polignac number, because 146957261 - 2² = 146957257 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 (146957263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6679865 + ... + 6679886.

It is an arithmetic number, because the mean of its divisors is an integer number (40079256).

Almost surely, 2^146957261 is an apocalyptic number.

146957261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

146957261 is a deficient number, since it is larger than the sum of its proper divisors (13359763).

146957261 is a wasteful number, since it uses less digits than its factorization.

146957261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13359762.

The product of its digits is 90720, while the sum is 41.

The square root of 146957261 is about 12122.5929981997. The cubic root of 146957261 is about 527.7120562776.

The spelling of 146957261 in words is "one hundred forty-six million, nine hundred fifty-seven thousand, two hundred sixty-one".