151908 has 12 divisors (see below), whose sum is σ = 354480. Its totient is φ = 50632.
The previous prime is 151903. The next prime is 151909. The reversal of 151908 is 809151.
It is a tau number, because it is divible by the number of its divisors (12).
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 151908.
It is not an unprimeable number, because it can be changed into a prime (151901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6318 + ... + 6341.
It is an arithmetic number, because the mean of its divisors is an integer number (29540).
2151908 is an apocalyptic number.
It is an amenable number.
151908 is an abundant number, since it is smaller than the sum of its proper divisors (202572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151908 is a wasteful number, since it uses less digits than its factorization.
151908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12666 (or 12664 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 24.
The square root of 151908 is about 389.7537684231. The cubic root of 151908 is about 53.3572635666.
The spelling of 151908 in words is "one hundred fifty-one thousand, nine hundred eight".
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