149175770 has 16 divisors (see below), whose sum is σ = 268713288. Its totient is φ = 59626560.

The previous prime is 149175737. The next prime is 149175811. The reversal of 149175770 is 77571941.

It can be written as a sum of positive squares in 4 ways, for example, as 83192641 + 65983129 = 9121^2 + 8123^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11300 + ... + 20640.

Almost surely, 2^149175770 is an apocalyptic number.

149175770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149175770 is a deficient number, since it is larger than the sum of its proper divisors (119537518).

149175770 is a wasteful number, since it uses less digits than its factorization.

149175770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10945.

The product of its (nonzero) digits is 61740, while the sum is 41.

The square root of 149175770 is about 12213.7533133759. The cubic root of 149175770 is about 530.3543020801.

The spelling of 149175770 in words is "one hundred forty-nine million, one hundred seventy-five thousand, seven hundred seventy".