149105253 has 16 divisors (see below), whose sum is σ = 217175616. Its totient is φ = 90243840.

The previous prime is 149105237. The next prime is 149105261. The reversal of 149105253 is 352501941.

It is not a de Polignac number, because 149105253 - 2⁴ = 149105237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149105253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149105263) 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 15 ways as a sum of consecutive naturals, for example, 25501 + ... + 30797.

It is an arithmetic number, because the mean of its divisors is an integer number (13573476).

Almost surely, 2^149105253 is an apocalyptic number.

It is an amenable number.

149105253 is a deficient number, since it is larger than the sum of its proper divisors (68070363).

149105253 is a wasteful number, since it uses less digits than its factorization.

149105253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6164.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 149105253 is about 12210.8661854923. The cubic root of 149105253 is about 530.2707208371.

The spelling of 149105253 in words is "one hundred forty-nine million, one hundred five thousand, two hundred fifty-three".