149522097 has 4 divisors (see below), whose sum is σ = 199362800. Its totient is φ = 99681396.

The previous prime is 149522071. The next prime is 149522129. The reversal of 149522097 is 790225941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 149522097 - 2⁷ = 149521969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149522017) 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 3 ways as a sum of consecutive naturals, for example, 24920347 + ... + 24920352.

It is an arithmetic number, because the mean of its divisors is an integer number (49840700).

Almost surely, 2^149522097 is an apocalyptic number.

It is an amenable number.

149522097 is a deficient number, since it is larger than the sum of its proper divisors (49840703).

149522097 is an equidigital number, since it uses as much as digits as its factorization.

149522097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49840702.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 149522097 is about 12227.9228407772. The cubic root of 149522097 is about 530.7644090218.

The spelling of 149522097 in words is "one hundred forty-nine million, five hundred twenty-two thousand, ninety-seven".