149267918 has 8 divisors (see below), whose sum is σ = 226969248. Its totient is φ = 73611504.

The previous prime is 149267917. The next prime is 149267969. The reversal of 149267918 is 819762941.

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

It is a super-2 number, since 2×149267918² = 44561822688109448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149267917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511046 + ... + 511337.

It is an arithmetic number, because the mean of its divisors is an integer number (28371156).

Almost surely, 2^149267918 is an apocalyptic number.

149267918 is a deficient number, since it is larger than the sum of its proper divisors (77701330).

149267918 is a wasteful number, since it uses less digits than its factorization.

149267918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022458.

The product of its digits is 217728, while the sum is 47.

The square root of 149267918 is about 12217.5250357836. The cubic root of 149267918 is about 530.4634820738.

The spelling of 149267918 in words is "one hundred forty-nine million, two hundred sixty-seven thousand, nine hundred eighteen".