149381846 has 8 divisors (see below), whose sum is σ = 224468280. Its totient is φ = 74559088.

The previous prime is 149381831. The next prime is 149381861. The reversal of 149381846 is 648183941.

It is an interprime number because it is at equal distance from previous prime (149381831) and next prime (149381861).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 149381797 and 149381806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64496 + ... + 66771.

It is an arithmetic number, because the mean of its divisors is an integer number (28058535).

Almost surely, 2^149381846 is an apocalyptic number.

149381846 is a deficient number, since it is larger than the sum of its proper divisors (75086434).

149381846 is a wasteful number, since it uses less digits than its factorization.

149381846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131838.

The product of its digits is 165888, while the sum is 44.

The square root of 149381846 is about 12222.1866292411. The cubic root of 149381846 is about 530.5984056292.

The spelling of 149381846 in words is "one hundred forty-nine million, three hundred eighty-one thousand, eight hundred forty-six".