146961097 has 4 divisors (see below), whose sum is σ = 150545556. Its totient is φ = 143376640.

The previous prime is 146961079. The next prime is 146961109. The reversal of 146961097 is 790169641.

It is a happy number.

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 43349056 + 103612041 = 6584^2 + 10179^2 .

It is a cyclic number.

It is not a de Polignac number, because 146961097 - 2¹¹ = 146959049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146961197) 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, 1792168 + ... + 1792249.

It is an arithmetic number, because the mean of its divisors is an integer number (37636389).

Almost surely, 2^146961097 is an apocalyptic number.

It is an amenable number.

146961097 is a deficient number, since it is larger than the sum of its proper divisors (3584459).

146961097 is an equidigital number, since it uses as much as digits as its factorization.

146961097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584458.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 146961097 is about 12122.7512141428. The cubic root of 146961097 is about 527.7166478299.

The spelling of 146961097 in words is "one hundred forty-six million, nine hundred sixty-one thousand, ninety-seven".