148899801 has 4 divisors (see below), whose sum is σ = 198533072. Its totient is φ = 99266532.

The previous prime is 148899797. The next prime is 148899811. The reversal of 148899801 is 108998841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 148899801 - 2² = 148899797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148899811) 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, 24816631 + ... + 24816636.

It is an arithmetic number, because the mean of its divisors is an integer number (49633268).

Almost surely, 2^148899801 is an apocalyptic number.

It is an amenable number.

148899801 is a deficient number, since it is larger than the sum of its proper divisors (49633271).

148899801 is an equidigital number, since it uses as much as digits as its factorization.

148899801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49633270.

The product of its (nonzero) digits is 165888, while the sum is 48.

The square root of 148899801 is about 12202.4506145282. The cubic root of 148899801 is about 530.0270556973.

The spelling of 148899801 in words is "one hundred forty-eight million, eight hundred ninety-nine thousand, eight hundred one".