149715822 has 8 divisors (see below), whose sum is σ = 299431656. Its totient is φ = 49905272.

The previous prime is 149715817. The next prime is 149715827. The reversal of 149715822 is 228517941.

It is an interprime number because it is at equal distance from previous prime (149715817) and next prime (149715827).

It is a sphenic number, since it is the product of 3 distinct primes.

149715822 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149715827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12476313 + ... + 12476324.

It is an arithmetic number, because the mean of its divisors is an integer number (37428957).

Almost surely, 2^149715822 is an apocalyptic number.

149715822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

149715822 is a wasteful number, since it uses less digits than its factorization.

149715822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24952642.

The product of its digits is 40320, while the sum is 39.

The square root of 149715822 is about 12235.8416956088. The cubic root of 149715822 is about 530.9935344881.

The spelling of 149715822 in words is "one hundred forty-nine million, seven hundred fifteen thousand, eight hundred twenty-two".