149364193 has 16 divisors (see below), whose sum is σ = 172941696. Its totient is φ = 127491840.

The previous prime is 149364179. The next prime is 149364197. The reversal of 149364193 is 391463941.

It is not a de Polignac number, because 149364193 - 2¹³ = 149356001 is a prime.

It is a Duffinian number.

Its product of digits (69984) is a multiple of the sum of its prime divisors (1944).

It is not an unprimeable number, because it can be changed into a prime (149364197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113980 + ... + 115282.

It is an arithmetic number, because the mean of its divisors is an integer number (10808856).

Almost surely, 2^149364193 is an apocalyptic number.

It is an amenable number.

149364193 is a deficient number, since it is larger than the sum of its proper divisors (23577503).

149364193 is a wasteful number, since it uses less digits than its factorization.

149364193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944.

The product of its digits is 69984, while the sum is 40.

The square root of 149364193 is about 12221.4644376196. The cubic root of 149364193 is about 530.5775038867.

The spelling of 149364193 in words is "one hundred forty-nine million, three hundred sixty-four thousand, one hundred ninety-three".