148740000521 has 4 divisors (see below), whose sum is σ = 169988572032. Its totient is φ = 127491429012.

The previous prime is 148740000503. The next prime is 148740000557. The reversal of 148740000521 is 125000047841.

It is a happy number.

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 148740000521 - 2¹⁰ = 148739999497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148740020521) 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, 10624285745 + ... + 10624285758.

It is an arithmetic number, because the mean of its divisors is an integer number (42497143008).

Almost surely, 2^148740000521 is an apocalyptic number.

It is an amenable number.

148740000521 is a deficient number, since it is larger than the sum of its proper divisors (21248571511).

148740000521 is an equidigital number, since it uses as much as digits as its factorization.

148740000521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21248571510.

The product of its (nonzero) digits is 8960, while the sum is 32.

The spelling of 148740000521 in words is "one hundred forty-eight billion, seven hundred forty million, five hundred twenty-one", and thus it is an aban number.