149103400 has 24 divisors (see below), whose sum is σ = 346665870. Its totient is φ = 59641280.

The previous prime is 149103373. The next prime is 149103419. The reversal of 149103400 is 4301941.

It can be written as a sum of positive squares in 3 ways, for example, as 135070884 + 14032516 = 11622^2 + 3746^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 372559 + ... + 372958.

Almost surely, 2^149103400 is an apocalyptic number.

149103400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149103400 is an abundant number, since it is smaller than the sum of its proper divisors (197562470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149103400 is a wasteful number, since it uses less digits than its factorization.

149103400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745533 (or 745524 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 149103400 is about 12210.7903102133. The cubic root of 149103400 is about 530.2685241881.

The spelling of 149103400 in words is "one hundred forty-nine million, one hundred three thousand, four hundred".