149216970 has 32 divisors (see below), whose sum is σ = 409281408. Its totient is φ = 34106688.

The previous prime is 149216953. The next prime is 149216993. The reversal of 149216970 is 79612941.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355069 + ... + 355488.

It is an arithmetic number, because the mean of its divisors is an integer number (12790044).

Almost surely, 2^149216970 is an apocalyptic number.

149216970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149216970 is an abundant number, since it is smaller than the sum of its proper divisors (260064438).

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

149216970 is a wasteful number, since it uses less digits than its factorization.

149216970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710574.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 149216970 is about 12215.4398201620. The cubic root of 149216970 is about 530.4031227564.

The spelling of 149216970 in words is "one hundred forty-nine million, two hundred sixteen thousand, nine hundred seventy".