146453961 has 4 divisors (see below), whose sum is σ = 195271952. Its totient is φ = 97635972.

The previous prime is 146453953. The next prime is 146453969. The reversal of 146453961 is 169354641.

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 an interprime number because it is at equal distance from previous prime (146453953) and next prime (146453969).

It is not a de Polignac number, because 146453961 - 2³ = 146453953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146453969) 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, 24408991 + ... + 24408996.

It is an arithmetic number, because the mean of its divisors is an integer number (48817988).

Almost surely, 2^146453961 is an apocalyptic number.

It is an amenable number.

146453961 is a deficient number, since it is larger than the sum of its proper divisors (48817991).

146453961 is an equidigital number, since it uses as much as digits as its factorization.

146453961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48817990.

The product of its digits is 77760, while the sum is 39.

The square root of 146453961 is about 12101.8164339078. The cubic root of 146453961 is about 527.1089302148.

The spelling of 146453961 in words is "one hundred forty-six million, four hundred fifty-three thousand, nine hundred sixty-one".