148991540515 has 8 divisors (see below), whose sum is σ = 178798566240. Its totient is φ = 119187420672.

The previous prime is 148991540501. The next prime is 148991540527. The reversal of 148991540515 is 515045199841.

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 148991540515 - 2¹³ = 148991532323 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612030 + ... + 820099.

It is an arithmetic number, because the mean of its divisors is an integer number (22349820780).

Almost surely, 2^148991540515 is an apocalyptic number.

148991540515 is a deficient number, since it is larger than the sum of its proper divisors (29807025725).

148991540515 is a wasteful number, since it uses less digits than its factorization.

148991540515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452941.

The product of its (nonzero) digits is 1296000, while the sum is 52.

The spelling of 148991540515 in words is "one hundred forty-eight billion, nine hundred ninety-one million, five hundred forty thousand, five hundred fifteen".