151449822 has 24 divisors (see below), whose sum is σ = 329128176. Its totient is φ = 50331456.

The previous prime is 151449811. The next prime is 151449863. The reversal of 151449822 is 228944151.

151449822 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6418 + ... + 18549.

It is an arithmetic number, because the mean of its divisors is an integer number (13713674).

Almost surely, 2^151449822 is an apocalyptic number.

151449822 is an abundant number, since it is smaller than the sum of its proper divisors (177678354).

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

151449822 is a wasteful number, since it uses less digits than its factorization.

151449822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25312 (or 25309 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 151449822 is about 12306.4951143695. The cubic root of 151449822 is about 533.0356495884.

The spelling of 151449822 in words is "one hundred fifty-one million, four hundred forty-nine thousand, eight hundred twenty-two".