149556814 has 16 divisors (see below), whose sum is σ = 248178816. Its totient is φ = 67022200.

The previous prime is 149556793. The next prime is 149556817. The reversal of 149556814 is 418655941.

It is a super-2 number, since 2×149556814² = 44734481227661192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149556817) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 46312 + ... + 49435.

It is an arithmetic number, because the mean of its divisors is an integer number (15511176).

Almost surely, 2^149556814 is an apocalyptic number.

149556814 is a deficient number, since it is larger than the sum of its proper divisors (98622002).

149556814 is a wasteful number, since it uses less digits than its factorization.

149556814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95831.

The product of its digits is 172800, while the sum is 43.

The square root of 149556814 is about 12229.3423371823. The cubic root of 149556814 is about 530.8054846051.

The spelling of 149556814 in words is "one hundred forty-nine million, five hundred fifty-six thousand, eight hundred fourteen".