146731461 has 4 divisors (see below), whose sum is σ = 195641952. Its totient is φ = 97820972.

The previous prime is 146731457. The next prime is 146731469. The reversal of 146731461 is 164137641.

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 146731461 - 2² = 146731457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146731469) 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, 24455241 + ... + 24455246.

It is an arithmetic number, because the mean of its divisors is an integer number (48910488).

Almost surely, 2^146731461 is an apocalyptic number.

It is an amenable number.

146731461 is a deficient number, since it is larger than the sum of its proper divisors (48910491).

146731461 is an equidigital number, since it uses as much as digits as its factorization.

146731461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48910490.

The product of its digits is 12096, while the sum is 33.

The square root of 146731461 is about 12113.2762289977. The cubic root of 146731461 is about 527.4416410060.

The spelling of 146731461 in words is "one hundred forty-six million, seven hundred thirty-one thousand, four hundred sixty-one".