149238103 has 8 divisors (see below), whose sum is σ = 179534720. Its totient is φ = 121185720.

The previous prime is 149238097. The next prime is 149238127. The reversal of 149238103 is 301832941.

149238103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 149238103 - 2⁵ = 149238071 is a prime.

It is a super-2 number, since 2×149238103² = 44544022774077218, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149238403) 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, 560913 + ... + 561178.

It is an arithmetic number, because the mean of its divisors is an integer number (22441840).

Almost surely, 2^149238103 is an apocalyptic number.

149238103 is a deficient number, since it is larger than the sum of its proper divisors (30296617).

149238103 is a wasteful number, since it uses less digits than its factorization.

149238103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122117.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 149238103 is about 12216.3048013710. The cubic root of 149238103 is about 530.4281611956.

The spelling of 149238103 in words is "one hundred forty-nine million, two hundred thirty-eight thousand, one hundred three".