149456 has 10 divisors (see below), whose sum is σ = 289602. Its totient is φ = 74720.

The previous prime is 149441. The next prime is 149459. The reversal of 149456 is 654941.

It can be written as a sum of positive squares in only one way, i.e., 115600 + 33856 = 340^2 + 184^2 .

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 149456.

It is not an unprimeable number, because it can be changed into a prime (149459) by changing a digit.

149456 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4655 + ... + 4686.

2¹⁴⁹⁴⁵⁶ is an apocalyptic number.

149456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

149456 is a deficient number, since it is larger than the sum of its proper divisors (140146).

149456 is an equidigital number, since it uses as much as digits as its factorization.

149456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9349 (or 9343 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 149456 is about 386.5953957305. The cubic root of 149456 is about 53.0686188463.

The spelling of 149456 in words is "one hundred forty-nine thousand, four hundred fifty-six".