149297103 has 12 divisors (see below), whose sum is σ = 215858968. Its totient is φ = 99435600.

The previous prime is 149297063. The next prime is 149297129. The reversal of 149297103 is 301792941.

It is not a de Polignac number, because 149297103 - 2⁶ = 149297039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149297143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2628 + ... + 17478.

Almost surely, 2^149297103 is an apocalyptic number.

149297103 is a deficient number, since it is larger than the sum of its proper divisors (66561865).

149297103 is a wasteful number, since it uses less digits than its factorization.

149297103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15974 (or 15971 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 149297103 is about 12218.7193682480. The cubic root of 149297103 is about 530.4980520561.

The spelling of 149297103 in words is "one hundred forty-nine million, two hundred ninety-seven thousand, one hundred three".