149452269 has 4 divisors (see below), whose sum is σ = 199269696. Its totient is φ = 99634844.

The previous prime is 149452249. The next prime is 149452273. The reversal of 149452269 is 962254941.

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 149452269 - 2¹¹ = 149450221 is a prime.

It is a super-2 number, since 2×149452269² = 44671961418496722, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 149452269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149452249) 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, 24908709 + ... + 24908714.

It is an arithmetic number, because the mean of its divisors is an integer number (49817424).

Almost surely, 2^149452269 is an apocalyptic number.

It is an amenable number.

149452269 is a deficient number, since it is larger than the sum of its proper divisors (49817427).

149452269 is an equidigital number, since it uses as much as digits as its factorization.

149452269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49817426.

The product of its digits is 155520, while the sum is 42.

The square root of 149452269 is about 12225.0672390789. The cubic root of 149452269 is about 530.6817724331.

The spelling of 149452269 in words is "one hundred forty-nine million, four hundred fifty-two thousand, two hundred sixty-nine".