149195803 has 8 divisors (see below), whose sum is σ = 153675648. Its totient is φ = 144739584.

The previous prime is 149195677. The next prime is 149195819. The reversal of 149195803 is 308591941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149195803 - 2¹³ = 149187611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149195863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7350 + ... + 18772.

It is an arithmetic number, because the mean of its divisors is an integer number (19209456).

Almost surely, 2^149195803 is an apocalyptic number.

149195803 is a deficient number, since it is larger than the sum of its proper divisors (4479845).

149195803 is a wasteful number, since it uses less digits than its factorization.

149195803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11813.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 149195803 is about 12214.5733859190. The cubic root of 149195803 is about 530.3780416641.

The spelling of 149195803 in words is "one hundred forty-nine million, one hundred ninety-five thousand, eight hundred three".