149044823 has 2 divisors, whose sum is σ = 149044824. Its totient is φ = 149044822.

The previous prime is 149044817. The next prime is 149044859. The reversal of 149044823 is 328440941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149044823 - 2¹⁶ = 148979287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149044223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74522411 + 74522412.

It is an arithmetic number, because the mean of its divisors is an integer number (74522412).

Almost surely, 2^149044823 is an apocalyptic number.

149044823 is a deficient number, since it is larger than the sum of its proper divisors (1).

149044823 is an equidigital number, since it uses as much as digits as its factorization.

149044823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 149044823 is about 12208.3914992926. The cubic root of 149044823 is about 530.1990743793.

The spelling of 149044823 in words is "one hundred forty-nine million, forty-four thousand, eight hundred twenty-three".