148537251 has 6 divisors (see below), whose sum is σ = 214553820. Its totient is φ = 99024828.

The previous prime is 148537247. The next prime is 148537271. The reversal of 148537251 is 152735841.

It is not a de Polignac number, because 148537251 - 2² = 148537247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148537241) 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 5 ways as a sum of consecutive naturals, for example, 8252061 + ... + 8252078.

It is an arithmetic number, because the mean of its divisors is an integer number (35758970).

Almost surely, 2^148537251 is an apocalyptic number.

148537251 is a deficient number, since it is larger than the sum of its proper divisors (66016569).

148537251 is a wasteful number, since it uses less digits than its factorization.

148537251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16504145 (or 16504142 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 148537251 is about 12187.5859381585. The cubic root of 148537251 is about 529.5965257235.

The spelling of 148537251 in words is "one hundred forty-eight million, five hundred thirty-seven thousand, two hundred fifty-one".