149293193 has 4 divisors (see below), whose sum is σ = 170620800. Its totient is φ = 127965588.

The previous prime is 149293181. The next prime is 149293211. The reversal of 149293193 is 391392941.

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 149293193 - 2⁶ = 149293129 is a prime.

It is a super-2 number, since 2×149293193² = 44576914952270498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 149293193.

It is not an unprimeable number, because it can be changed into a prime (149293153) 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, 10663793 + ... + 10663806.

It is an arithmetic number, because the mean of its divisors is an integer number (42655200).

Almost surely, 2^149293193 is an apocalyptic number.

It is an amenable number.

149293193 is a deficient number, since it is larger than the sum of its proper divisors (21327607).

149293193 is an equidigital number, since it uses as much as digits as its factorization.

149293193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21327606.

The product of its digits is 52488, while the sum is 41.

The square root of 149293193 is about 12218.5593667993. The cubic root of 149293193 is about 530.4934208756.

The spelling of 149293193 in words is "one hundred forty-nine million, two hundred ninety-three thousand, one hundred ninety-three".