148244493 has 4 divisors (see below), whose sum is σ = 197659328. Its totient is φ = 98829660.

The previous prime is 148244489. The next prime is 148244507. The reversal of 148244493 is 394442841.

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 148244493 - 2² = 148244489 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 (148244413) 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, 24707413 + ... + 24707418.

It is an arithmetic number, because the mean of its divisors is an integer number (49414832).

Almost surely, 2^148244493 is an apocalyptic number.

It is an amenable number.

148244493 is a deficient number, since it is larger than the sum of its proper divisors (49414835).

148244493 is an equidigital number, since it uses as much as digits as its factorization.

148244493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49414834.

The product of its digits is 110592, while the sum is 39.

The square root of 148244493 is about 12175.5695144005. The cubic root of 148244493 is about 529.2483625728.

The spelling of 148244493 in words is "one hundred forty-eight million, two hundred forty-four thousand, four hundred ninety-three".