149302497 has 8 divisors (see below), whose sum is σ = 201122656. Its totient is φ = 98508672.

The previous prime is 149302471. The next prime is 149302519. The reversal of 149302497 is 794203941.

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

It is not a de Polignac number, because 149302497 - 2⁷ = 149302369 is a prime.

It is a super-2 number, since 2×149302497² = 44582471220870018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149302457) 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, 256243 + ... + 256824.

It is an arithmetic number, because the mean of its divisors is an integer number (25140332).

Almost surely, 2^149302497 is an apocalyptic number.

It is an amenable number.

149302497 is a deficient number, since it is larger than the sum of its proper divisors (51820159).

149302497 is an equidigital number, since it uses as much as digits as its factorization.

149302497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513167.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 149302497 is about 12218.9400931505. The cubic root of 149302497 is about 530.5044408204.

The spelling of 149302497 in words is "one hundred forty-nine million, three hundred two thousand, four hundred ninety-seven".