149985570 has 48 divisors (see below), whose sum is σ = 418739328. Its totient is φ = 34282080.

The previous prime is 149985569. The next prime is 149985607. The reversal of 149985570 is 75589941.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49546 + ... + 52485.

It is an arithmetic number, because the mean of its divisors is an integer number (8723736).

Almost surely, 2^149985570 is an apocalyptic number.

149985570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149985570 is an abundant number, since it is smaller than the sum of its proper divisors (268753758).

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

149985570 is a wasteful number, since it uses less digits than its factorization.

149985570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102055 (or 102048 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 149985570 is about 12246.8595974642. The cubic root of 149985570 is about 531.3122460859.

The spelling of 149985570 in words is "one hundred forty-nine million, nine hundred eighty-five thousand, five hundred seventy".