149630253 has 8 divisors (see below), whose sum is σ = 199624416. Its totient is φ = 99694800.

The previous prime is 149630231. The next prime is 149630287. The reversal of 149630253 is 352036941.

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

It is not a de Polignac number, because 149630253 - 2¹⁶ = 149564717 is a prime.

It is a super-2 number, since 2×149630253² = 44778425225688018, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) 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 (149630293) 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, 8338 + ... + 19203.

It is an arithmetic number, because the mean of its divisors is an integer number (24953052).

Almost surely, 2^149630253 is an apocalyptic number.

It is an amenable number.

149630253 is a deficient number, since it is larger than the sum of its proper divisors (49994163).

149630253 is a wasteful number, since it uses less digits than its factorization.

149630253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29355.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 149630253 is about 12232.3445422372. The cubic root of 149630253 is about 530.8923533655.

The spelling of 149630253 in words is "one hundred forty-nine million, six hundred thirty thousand, two hundred fifty-three".