148071851 has 4 divisors (see below), whose sum is σ = 148491672. Its totient is φ = 147652032.

The previous prime is 148071839. The next prime is 148071899. The reversal of 148071851 is 158170841.

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

It is a cyclic number.

It is not a de Polignac number, because 148071851 - 2¹⁰ = 148070827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148071811) 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, 209381 + ... + 210086.

It is an arithmetic number, because the mean of its divisors is an integer number (37122918).

Almost surely, 2^148071851 is an apocalyptic number.

148071851 is a deficient number, since it is larger than the sum of its proper divisors (419821).

148071851 is an equidigital number, since it uses as much as digits as its factorization.

148071851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419820.

The product of its (nonzero) digits is 8960, while the sum is 35.

The square root of 148071851 is about 12168.4777601802. The cubic root of 148071851 is about 529.0428327614.

The spelling of 148071851 in words is "one hundred forty-eight million, seventy-one thousand, eight hundred fifty-one".