149148251 has 8 divisors (see below), whose sum is σ = 171682560. Its totient is φ = 126920808.

The previous prime is 149148217. The next prime is 149148257. The reversal of 149148251 is 152841941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149148251 - 2⁶ = 149148187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149148257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75671 + ... + 77616.

It is an arithmetic number, because the mean of its divisors is an integer number (21460320).

Almost surely, 2^149148251 is an apocalyptic number.

149148251 is a deficient number, since it is larger than the sum of its proper divisors (22534309).

149148251 is a wasteful number, since it uses less digits than its factorization.

149148251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153433.

The product of its digits is 11520, while the sum is 35.

The square root of 149148251 is about 12212.6267035393. The cubic root of 149148251 is about 530.3216879418.

The spelling of 149148251 in words is "one hundred forty-nine million, one hundred forty-eight thousand, two hundred fifty-one".