148653609 has 8 divisors (see below), whose sum is σ = 213451392. Its totient is φ = 91479120.

The previous prime is 148653607. The next prime is 148653613. The reversal of 148653609 is 906356841.

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

It is not a de Polignac number, because 148653609 - 2¹ = 148653607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148653601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1905777 + ... + 1905854.

It is an arithmetic number, because the mean of its divisors is an integer number (26681424).

Almost surely, 2^148653609 is an apocalyptic number.

It is an amenable number.

148653609 is a deficient number, since it is larger than the sum of its proper divisors (64797783).

148653609 is a wasteful number, since it uses less digits than its factorization.

148653609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811647.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 148653609 is about 12192.3586315364. The cubic root of 148653609 is about 529.7347777068.

The spelling of 148653609 in words is "one hundred forty-eight million, six hundred fifty-three thousand, six hundred nine".