149253443 has 2 divisors, whose sum is σ = 149253444. Its totient is φ = 149253442.

The previous prime is 149253413. The next prime is 149253487. The reversal of 149253443 is 344352941.

149253443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149253443 - 2²⁰ = 148204867 is a prime.

It is not a weakly prime, because it can be changed into another prime (149253413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74626721 + 74626722.

It is an arithmetic number, because the mean of its divisors is an integer number (74626722).

Almost surely, 2^149253443 is an apocalyptic number.

149253443 is a deficient number, since it is larger than the sum of its proper divisors (1).

149253443 is an equidigital number, since it uses as much as digits as its factorization.

149253443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 149253443 is about 12216.9326346673. The cubic root of 149253443 is about 530.4463345911.

The spelling of 149253443 in words is "one hundred forty-nine million, two hundred fifty-three thousand, four hundred forty-three".