148420733 has 4 divisors (see below), whose sum is σ = 148473948. Its totient is φ = 148367520.

The previous prime is 148420729. The next prime is 148420739. The reversal of 148420733 is 337024841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74684164 + 73736569 = 8642^2 + 8587^2 .

It is a cyclic number.

It is not a de Polignac number, because 148420733 - 2² = 148420729 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 148420733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148420739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22178 + ... + 28083.

It is an arithmetic number, because the mean of its divisors is an integer number (37118487).

Almost surely, 2^148420733 is an apocalyptic number.

It is an amenable number.

148420733 is a deficient number, since it is larger than the sum of its proper divisors (53215).

148420733 is an equidigital number, since it uses as much as digits as its factorization.

148420733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53214.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 148420733 is about 12182.8048084175. The cubic root of 148420733 is about 529.4580112660.

The spelling of 148420733 in words is "one hundred forty-eight million, four hundred twenty thousand, seven hundred thirty-three".