148849491 has 24 divisors (see below), whose sum is σ = 237126400. Its totient is φ = 81352656.

The previous prime is 148849471. The next prime is 148849499. The reversal of 148849491 is 194948841.

It is not a de Polignac number, because 148849491 - 2⁶ = 148849427 is a prime.

It is a super-3 number, since 3×148849491³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 148849491.

It is not an unprimeable number, because it can be changed into a prime (148849499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4410 + ... + 17808.

Almost surely, 2^148849491 is an apocalyptic number.

148849491 is a deficient number, since it is larger than the sum of its proper divisors (88276909).

148849491 is a wasteful number, since it uses less digits than its factorization.

148849491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13455 (or 13432 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 148849491 is about 12200.3889692091. The cubic root of 148849491 is about 529.9673541064.

The spelling of 148849491 in words is "one hundred forty-eight million, eight hundred forty-nine thousand, four hundred ninety-one".