149256195 has 32 divisors (see below), whose sum is σ = 266886144. Its totient is φ = 70598400.

The previous prime is 149256193. The next prime is 149256197. The reversal of 149256195 is 591652941.

It is an interprime number because it is at equal distance from previous prime (149256193) and next prime (149256197).

It is not a de Polignac number, because 149256195 - 2¹ = 149256193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149256193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4267 + ... + 17796.

It is an arithmetic number, because the mean of its divisors is an integer number (8340192).

Almost surely, 2^149256195 is an apocalyptic number.

149256195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149256195 is a deficient number, since it is larger than the sum of its proper divisors (117629949).

149256195 is a wasteful number, since it uses less digits than its factorization.

149256195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22123.

The product of its digits is 97200, while the sum is 42.

The square root of 149256195 is about 12217.0452647111. The cubic root of 149256195 is about 530.4495947713.

The spelling of 149256195 in words is "one hundred forty-nine million, two hundred fifty-six thousand, one hundred ninety-five".