149297459 has 8 divisors (see below), whose sum is σ = 157269840. Its totient is φ = 141336576.

The previous prime is 149297431. The next prime is 149297471. The reversal of 149297459 is 954792941.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149297459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149297429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41459 + ... + 44915.

It is an arithmetic number, because the mean of its divisors is an integer number (19658730).

Almost surely, 2^149297459 is an apocalyptic number.

149297459 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

149297459 is a deficient number, since it is larger than the sum of its proper divisors (7972381).

149297459 is a wasteful number, since it uses less digits than its factorization.

149297459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5749.

The product of its digits is 816480, while the sum is 50.

The square root of 149297459 is about 12218.7339360508. The cubic root of 149297459 is about 530.4984737145.

The spelling of 149297459 in words is "one hundred forty-nine million, two hundred ninety-seven thousand, four hundred fifty-nine".