148998537 has 6 divisors (see below), whose sum is σ = 215220122. Its totient is φ = 99332352.

The previous prime is 148998511. The next prime is 148998547. The reversal of 148998537 is 735899841.

148998537 is a `hidden beast` number, since 14 + 8 + 9 + 98 + 537 = 666.

It can be written as a sum of positive squares in only one way, i.e., 143137296 + 5861241 = 11964^2 + 2421^2 .

It is a de Polignac number, because none of the positive numbers 2^k-148998537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148998547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8277688 + ... + 8277705.

Almost surely, 2^148998537 is an apocalyptic number.

It is an amenable number.

148998537 is a deficient number, since it is larger than the sum of its proper divisors (66221585).

148998537 is a wasteful number, since it uses less digits than its factorization.

148998537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16555399 (or 16555396 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 148998537 is about 12206.4956887716. The cubic root of 148998537 is about 530.1441841016.

It can be divided in two parts, 14899 and 8537, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 148998537 in words is "one hundred forty-eight million, nine hundred ninety-eight thousand, five hundred thirty-seven".