148201421 has 8 divisors (see below), whose sum is σ = 154339584. Its totient is φ = 142148160.

The previous prime is 148201399. The next prime is 148201457. The reversal of 148201421 is 124102841.

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

It is a cyclic number.

It is not a de Polignac number, because 148201421 - 2⁶ = 148201357 is a prime.

It is a super-2 number, since 2×148201421² = 43927322372838482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148204421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17651 + ... + 24656.

It is an arithmetic number, because the mean of its divisors is an integer number (19292448).

Almost surely, 2^148201421 is an apocalyptic number.

It is an amenable number.

148201421 is a deficient number, since it is larger than the sum of its proper divisors (6138163).

148201421 is a wasteful number, since it uses less digits than its factorization.

148201421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42451.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 148201421 is about 12173.8005980055. The cubic root of 148201421 is about 529.1971004245.

The spelling of 148201421 in words is "one hundred forty-eight million, two hundred one thousand, four hundred twenty-one".