149004453 has 8 divisors (see below), whose sum is σ = 213955168. Its totient is φ = 91695024.

The previous prime is 149004431. The next prime is 149004481. The reversal of 149004453 is 354400941.

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

It is not a de Polignac number, because 149004453 - 2⁵ = 149004421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149004453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149004353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1910275 + ... + 1910352.

It is an arithmetic number, because the mean of its divisors is an integer number (26744396).

Almost surely, 2^149004453 is an apocalyptic number.

149004453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

149004453 is a deficient number, since it is larger than the sum of its proper divisors (64950715).

149004453 is a wasteful number, since it uses less digits than its factorization.

149004453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820643.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 149004453 is about 12206.7380163580. The cubic root of 149004453 is about 530.1512004825.

The spelling of 149004453 in words is "one hundred forty-nine million, four thousand, four hundred fifty-three".