149217468 has 48 divisors (see below), whose sum is σ = 369309696. Its totient is φ = 46791360.

The previous prime is 149217457. The next prime is 149217479. The reversal of 149217468 is 864712941.

It is an interprime number because it is at equal distance from previous prime (149217457) and next prime (149217479).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12405 + ... + 21267.

It is an arithmetic number, because the mean of its divisors is an integer number (7693952).

Almost surely, 2^149217468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149217468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184654848).

149217468 is an abundant number, since it is smaller than the sum of its proper divisors (220092228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149217468 is a wasteful number, since it uses less digits than its factorization.

149217468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8954 (or 8952 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 149217468 is about 12215.4602041839. The cubic root of 149217468 is about 530.4037128155.

The spelling of 149217468 in words is "one hundred forty-nine million, two hundred seventeen thousand, four hundred sixty-eight".