146192493 has 4 divisors (see below), whose sum is σ = 194923328. Its totient is φ = 97461660.

The previous prime is 146192489. The next prime is 146192609. The reversal of 146192493 is 394291641.

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 not a de Polignac number, because 146192493 - 2² = 146192489 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 (146192443) 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, 24365413 + ... + 24365418.

It is an arithmetic number, because the mean of its divisors is an integer number (48730832).

Almost surely, 2^146192493 is an apocalyptic number.

It is an amenable number.

146192493 is a deficient number, since it is larger than the sum of its proper divisors (48730835).

146192493 is an equidigital number, since it uses as much as digits as its factorization.

146192493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48730834.

The product of its digits is 46656, while the sum is 39.

The square root of 146192493 is about 12091.0087668482. The cubic root of 146192493 is about 526.7950563362.

The spelling of 146192493 in words is "one hundred forty-six million, one hundred ninety-two thousand, four hundred ninety-three".