149396253 has 8 divisors (see below), whose sum is σ = 199260000. Its totient is φ = 99565008.

The previous prime is 149396249. The next prime is 149396267. The reversal of 149396253 is 352693941.

It is a happy number.

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

It is not a de Polignac number, because 149396253 - 2² = 149396249 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149396243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6223 + ... + 18371.

It is an arithmetic number, because the mean of its divisors is an integer number (24907500).

Almost surely, 2^149396253 is an apocalyptic number.

It is an amenable number.

149396253 is a deficient number, since it is larger than the sum of its proper divisors (49863747).

149396253 is a wasteful number, since it uses less digits than its factorization.

149396253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16251.

The product of its digits is 174960, while the sum is 42.

The square root of 149396253 is about 12222.7759940203. The cubic root of 149396253 is about 530.6154627788.

The spelling of 149396253 in words is "one hundred forty-nine million, three hundred ninety-six thousand, two hundred fifty-three".