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150973 = 433511

150973 has 4 divisors (see below), whose sum is σ = 154528. Its totient is φ = 147420.

The previous prime is 150967. The next prime is 150979. The reversal of 150973 is 379051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 379051 = 894259.

It is an interprime number because it is at equal distance from previous prime (150967) and next prime (150979).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-150973 is a prime.

It is a Duffinian number.

150973 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713 + ... + 1798.

It is an arithmetic number, because the mean of its divisors is an integer number (38632).

2150973 is an apocalyptic number.

It is an amenable number.

150973 is a deficient number, since it is larger than the sum of its proper divisors (3555).

150973 is an equidigital number, since it uses as much as digits as its factorization.

150973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 150973 is about 388.5524417630. The cubic root of 150973 is about 53.2475661418.

The spelling of 150973 in words is "one hundred fifty thousand, nine hundred seventy-three".

Divisors: 1 43 3511 150973