103009149 has 12 divisors (see below), whose sum is σ = 148982496. Its totient is φ = 68584392.

The previous prime is 103009141. The next prime is 103009177. The reversal of 103009149 is 941900301.

It is not a de Polignac number, because 103009149 - 2³ = 103009141 is a prime.

It is a super-2 number, since 2×103009149² = 21221769555408402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103009141) 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, 454 + ... + 14360.

It is an arithmetic number, because the mean of its divisors is an integer number (12415208).

Almost surely, 2^103009149 is an apocalyptic number.

It is an amenable number.

103009149 is a deficient number, since it is larger than the sum of its proper divisors (45973347).

103009149 is a wasteful number, since it uses less digits than its factorization.

103009149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14736 (or 14733 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 103009149 is about 10149.3422939617. The cubic root of 103009149 is about 468.7686934412.

The spelling of 103009149 in words is "one hundred three million, nine thousand, one hundred forty-nine".