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145948 = 221131107
BaseRepresentation
bin100011101000011100
321102012111
4203220130
514132243
63043404
71145335
oct435034
9242174
10145948
119a720
1270564
135157a
143b28c
152d39d
hex23a1c

145948 has 24 divisors (see below), whose sum is σ = 290304. Its totient is φ = 63600.

The previous prime is 145933. The next prime is 145949. The reversal of 145948 is 849541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1311 + ... + 1417.

It is an arithmetic number, because the mean of its divisors is an integer number (12096).

2145948 is an apocalyptic number.

It is an amenable number.

145948 is a deficient number, since it is larger than the sum of its proper divisors (144356).

145948 is a wasteful number, since it uses less digits than its factorization.

145948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 151 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 145948 is about 382.0314123210. The cubic root of 145948 is about 52.6501220977.

The spelling of 145948 in words is "one hundred forty-five thousand, nine hundred forty-eight".

Divisors: 1 2 4 11 22 31 44 62 107 124 214 341 428 682 1177 1364 2354 3317 4708 6634 13268 36487 72974 145948