146797949 has 4 divisors (see below), whose sum is σ = 147444864. Its totient is φ = 146151036.

The previous prime is 146797943. The next prime is 146797951. The reversal of 146797949 is 949797641.

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 a de Polignac number, because none of the positive numbers 2^k-146797949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146797894 and 146797903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146797943) 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, 323117 + ... + 323570.

It is an arithmetic number, because the mean of its divisors is an integer number (36861216).

Almost surely, 2^146797949 is an apocalyptic number.

It is an amenable number.

146797949 is a deficient number, since it is larger than the sum of its proper divisors (646915).

146797949 is an equidigital number, since it uses as much as digits as its factorization.

146797949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646914.

The product of its digits is 3429216, while the sum is 56.

The square root of 146797949 is about 12116.0203449813. The cubic root of 146797949 is about 527.5212950082.

The spelling of 146797949 in words is "one hundred forty-six million, seven hundred ninety-seven thousand, nine hundred forty-nine".