148892409 has 48 divisors (see below), whose sum is σ = 245980800. Its totient is φ = 86220288.

The previous prime is 148892407. The next prime is 148892413. The reversal of 148892409 is 904298841.

It is not a de Polignac number, because 148892409 - 2¹ = 148892407 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148892407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101322 + ... + 102780.

It is an arithmetic number, because the mean of its divisors is an integer number (5124600).

Almost surely, 2^148892409 is an apocalyptic number.

It is an amenable number.

148892409 is a deficient number, since it is larger than the sum of its proper divisors (97088391).

148892409 is a wasteful number, since it uses less digits than its factorization.

148892409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 148892409 is about 12202.1477207908. The cubic root of 148892409 is about 530.0182846427.

The spelling of 148892409 in words is "one hundred forty-eight million, eight hundred ninety-two thousand, four hundred nine".