148614521 has 4 divisors (see below), whose sum is σ = 162124944. Its totient is φ = 135104100.

The previous prime is 148614497. The next prime is 148614541. The reversal of 148614521 is 125416841.

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 a cyclic number.

It is not a de Polignac number, because 148614521 - 2⁶ = 148614457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148614541) 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 3 ways as a sum of consecutive naturals, for example, 6755195 + ... + 6755216.

It is an arithmetic number, because the mean of its divisors is an integer number (40531236).

Almost surely, 2^148614521 is an apocalyptic number.

148614521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

148614521 is a deficient number, since it is larger than the sum of its proper divisors (13510423).

148614521 is a wasteful number, since it uses less digits than its factorization.

148614521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13510422.

The product of its digits is 7680, while the sum is 32.

The square root of 148614521 is about 12190.7555549277. The cubic root of 148614521 is about 529.6883429374.

Subtracting from 148614521 its product of digits (7680), we obtain a palindrome (148606841).

The spelling of 148614521 in words is "one hundred forty-eight million, six hundred fourteen thousand, five hundred twenty-one".