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148007 = 891663
BaseRepresentation
bin100100001000100111
321112000202
4210020213
514214012
63101115
71154336
oct441047
9245022
10148007
11a1222
127179b
13524a2
143bd1d
152dcc2
hex24227

148007 has 4 divisors (see below), whose sum is σ = 149760. Its totient is φ = 146256.

The previous prime is 147997. The next prime is 148013. The reversal of 148007 is 700841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700841 = 719871.

It is a cyclic number.

It is not a de Polignac number, because 148007 - 210 = 146983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148007.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 148007.

It is not an unprimeable number, because it can be changed into a prime (148207) 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, 743 + ... + 920.

It is an arithmetic number, because the mean of its divisors is an integer number (37440).

2148007 is an apocalyptic number.

148007 is a deficient number, since it is larger than the sum of its proper divisors (1753).

148007 is an equidigital number, since it uses as much as digits as its factorization.

148007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 148007 is about 384.7167789426. The cubic root of 148007 is about 52.8965586554.

Adding to 148007 its reverse (700841), we get a palindrome (848848).

The spelling of 148007 in words is "one hundred forty-eight thousand, seven".

Divisors: 1 89 1663 148007