149496897 has 16 divisors (see below), whose sum is σ = 218760192. Its totient is φ = 90058320.

The previous prime is 149496889. The next prime is 149496901. The reversal of 149496897 is 798694941.

It is not a de Polignac number, because 149496897 - 2³ = 149496889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149496817) 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, 8053 + ... + 19074.

It is an arithmetic number, because the mean of its divisors is an integer number (13672512).

Almost surely, 2^149496897 is an apocalyptic number.

It is an amenable number.

149496897 is a deficient number, since it is larger than the sum of its proper divisors (69263295).

149496897 is a wasteful number, since it uses less digits than its factorization.

149496897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27308.

The product of its digits is 3919104, while the sum is 57.

The square root of 149496897 is about 12226.8923688728. The cubic root of 149496897 is about 530.7345895395.

The spelling of 149496897 in words is "one hundred forty-nine million, four hundred ninety-six thousand, eight hundred ninety-seven".