149468597 has 4 divisors (see below), whose sum is σ = 149781120. Its totient is φ = 149156076.

The previous prime is 149468593. The next prime is 149468609. The reversal of 149468597 is 795864941.

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 a cyclic number.

It is not a de Polignac number, because 149468597 - 2² = 149468593 is a prime.

It is a super-2 number, since 2×149468597² = 44681722978296818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149468591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155543 + ... + 156500.

It is an arithmetic number, because the mean of its divisors is an integer number (37445280).

Almost surely, 2^149468597 is an apocalyptic number.

It is an amenable number.

149468597 is a deficient number, since it is larger than the sum of its proper divisors (312523).

149468597 is an equidigital number, since it uses as much as digits as its factorization.

149468597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312522.

The product of its digits is 2177280, while the sum is 53.

The square root of 149468597 is about 12225.7350290279. The cubic root of 149468597 is about 530.7010977925.

The spelling of 149468597 in words is "one hundred forty-nine million, four hundred sixty-eight thousand, five hundred ninety-seven".