149145274 has 8 divisors (see below), whose sum is σ = 227509920. Its totient is φ = 73308636.

The previous prime is 149145259. The next prime is 149145313. The reversal of 149145274 is 472541941.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631854 + ... + 632089.

It is an arithmetic number, because the mean of its divisors is an integer number (28438740).

Almost surely, 2^149145274 is an apocalyptic number.

149145274 is a deficient number, since it is larger than the sum of its proper divisors (78364646).

149145274 is a wasteful number, since it uses less digits than its factorization.

149145274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264004.

The product of its digits is 40320, while the sum is 37.

The square root of 149145274 is about 12212.5048208793. The cubic root of 149145274 is about 530.3181595103.

The spelling of 149145274 in words is "one hundred forty-nine million, one hundred forty-five thousand, two hundred seventy-four".