150551 has 2 divisors, whose sum is σ = 150552. Its totient is φ = 150550.
The previous prime is 150533. The next prime is 150559. The reversal of 150551 is 155051.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-150551 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (150559) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75275 + 75276.
It is an arithmetic number, because the mean of its divisors is an integer number (75276).
2150551 is an apocalyptic number.
150551 is a deficient number, since it is larger than the sum of its proper divisors (1).
150551 is an equidigital number, since it uses as much as digits as its factorization.
150551 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 125, while the sum is 17.
The square root of 150551 is about 388.0090205137. The cubic root of 150551 is about 53.1979072801.
Subtracting from 150551 its product of nonzero digits (125), we obtain a triangular number (150426 = T548).
The spelling of 150551 in words is "one hundred fifty thousand, five hundred fifty-one".
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