148962821 has 8 divisors (see below), whose sum is σ = 176113920. Its totient is φ = 123279408.

The previous prime is 148962809. The next prime is 148962833. The reversal of 148962821 is 128269841.

It is an interprime number because it is at equal distance from previous prime (148962809) and next prime (148962833).

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

It is not a de Polignac number, because 148962821 - 2¹⁰ = 148961797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148962841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366701 + ... + 367106.

It is an arithmetic number, because the mean of its divisors is an integer number (22014240).

Almost surely, 2^148962821 is an apocalyptic number.

It is an amenable number.

148962821 is a deficient number, since it is larger than the sum of its proper divisors (27151099).

148962821 is an equidigital number, since it uses as much as digits as its factorization.

148962821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733843.

The product of its digits is 55296, while the sum is 41.

The square root of 148962821 is about 12205.0326095427. The cubic root of 148962821 is about 530.1018209501.

The spelling of 148962821 in words is "one hundred forty-eight million, nine hundred sixty-two thousand, eight hundred twenty-one".